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					           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                   ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                  Unit                        Unit                              Unit                             Unit                             Unit
Item                     Description                         Bid or Equal    Qty.   Price   Brand and Model       Price     Brand and Model            Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
                                                          SAFETY
       Aprons, Rubber: Flexible, acid resistant rubber
                                                                                                                          Aquatic Ecosys.                                                                                        TB 23182
 1     aprons with cotton tapes at waist and neck, size    Frey 96589239     190                                21.14                                                                                                5.22
                                                                                                                                  # 1133D20                                                                                                 page 159
       approx. 27" x 42".
       Visrogog; protects from overhead glare and
                                                                                                                          Aquatic Ecosys.
 2     chemical splash; worn over eyeglasses without       Flinn #AP1362     35                                  2.08
                                                                                                                                  # GL2218
       fogging; meets ANSIZ87.1 standards.

       Splash Goggles; standard vented, chemical                                                                                                                                                                                 TB 20604
 3                                                         Flinn #AP3306     85                                                                                                                                      1.21
       splash, meets ANSIZ87.1                                                                                                                                                                                                              page 158

       Gloves, Heat Resistant: Kevlar Aramid; 100%;        Carolina
 4                                                                           60                                                                    7.50          As Specified
       29 string knit; heat cut and abrasion resistant.    #CE701642

       Ultraviolet Sterilization Cabinet; sanitize
       goggles; 15 min timer; key lock; safety door        Carolina                                                                                                                                                              TB 20603
 5                                                                           10                                                                   540.00         As Specified                                       372.86
       switches; pilot light; long life UV bulb; 32" x     #CE646844                                                                                                                                                                        page 158
       241/2" x 91/4"

       Splash Goggles; standard vented, chemical           Carolina                                                                                                                                                              TB 20604
 6                                                                           60                                                                    7.00          CBS 64-6699                                         1.21
       splash, meets ANSIZ87.1                             #CE646700                                                                                                                                                                        page 158

       Ultraviolet Sterilization Cabinet Replacement       Carolina
 7                                                                            6                                                                   37.80          As Specified
       bulb; fits cabinet item #5 above.                   #CE646845

       Chemical Storage Cabinet- Acid; exterior 361/2"
       high, 31" wide, 20" deep; interior 281/2" high x
 8                                                      Flinn #SE8041         2
       29" wide x 171/4" deep; bottle capacity 30 x 2.5
       liter or 90 x 500ml

                                                                                                                          Aquatic Ecosys.                                                                                        TB 18103
 9     Vinyl Gloves; small 100 package                     Frey #15565969     2                                 11.50                                                                                                4.16
                                                                                                                                 #5762J30                                                                                                   page 159
                                                          AQUARIA
       Aquaculture System; 200 gal culture tank; 20" x     Carolina                                                        Aquatic Ecosys.
 10                                                                           2                                1,030.00                          1,820.00        As Specified
       20" viewing window                                  #RG-16-1950                                                             #FF50

 11    Aquaport Launcher                                   Pitsco #R55499     5

       Undergravel Filter - for 29 gallon                  Carolina                                                        Aquatic Ecosys.
 12                                                                          20                                 11.50                             11.50          As Specified
       aquarium                                            #RG-67-1823                                                            #373002
       Power head pump - high flow rate; low power
                                                           Aquatic Ecosys.                                                 Aquatic Ecosys.
 13    consumption; 115 volts, 60hz; 230 gal per hour                        10                                 17.00
                                                           #PU17                                                                   #PU17
       flow
       Aquarium - all glass, 29 gallon;
 14                                                        Flinn #FB0213     18                                                                   64.80          CBS 67-1236
       30" x 12" x 18"




                                                                                                                                 Page 1 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                             FISHER SCIENCE                             FLINN SCIENTIFIC CO.                FREY SCIENTIFIC               MARINE WAREHOUSE                           NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                EDUCATION                                                                                                   AQUARIUM INC.
                                                                                    Unit                                         Unit                             Unit                             Unit                             Unit
Item                     Description                         Bid or Equal    Qty.          Price      Brand and Model                   Price   Brand and Model          Price   Brand and Model          Price   Brand and Model          Price      Brand and Model
                                                          SAFETY
       Aprons, Rubber: Flexible, acid resistant rubber
                                                                                                   S475612
 1     aprons with cotton tapes at waist and neck, size    Frey 96589239     190       3.78                                                                                                                                            3.92               4100377M
                                                                                                              page 802
       approx. 27" x 42".
       Visrogog; protects from overhead glare and
                                                                                                   S476195
 2     chemical splash; worn over eyeglasses without       Flinn #AP1362     35        3.90                                        6.816          As Specified
                                                                                                               page 814
       fogging; meets ANSIZ87.1 standards.

       Splash Goggles; standard vented, chemical                                    1.16       S47615 page 812
 3                                                         Flinn #AP3306     85                           HL Bouton                5.328          As Specified       3.95           15596229                                           1.25               SB16276M
       splash, meets ANSIZ87.1                                                         pk/1
                                                                                                      #4401-300
                                                                                                1146256 page 698
       Gloves, Heat Resistant: Kevlar Aramid; 100%;        Carolina                 7.67
 4                                                                           60                     Wells Lamont
       29 string knit; heat cut and abrasion resistant.    #CE701642                   1 pr/pk
                                                                                                    Y555O338.37L
       Ultraviolet Sterilization Cabinet; sanitize
       goggles; 15 min timer; key lock; safety door        Carolina                                S47604B
 5                                                                           10       338.37                                                                        431.76          15565306                                          416.67               211880M
       switches; pilot light; long life UV bulb; 32" x     #CE646844                                                 page 818
       241/2" x 91/4"

       Splash Goggles; standard vented, chemical           Carolina                                S47630C
 6                                                                           60        0.92                                                                          2.06           15566314                                           1.27               SB16273M
       splash, meets ANSIZ87.1                             #CE646700                                          page 814

       Ultraviolet Sterilization Cabinet Replacement       Carolina                                 S47604BLB
 7                                                                            6       22.09
       bulb; fits cabinet item #5 above.                   #CE646845                                     page 818
                                                                                                                                                                                                                                                     Z09341M
       Chemical Storage Cabinet- Acid; exterior 361/2"
                                                                                                    S51072MF                                                                                                                                        Cabinet, Acid Storage,
       high, 31" wide, 20" deep; interior 281/2" high x
 8                                                      Flinn #SE8041         2       597.60         page 943                      549.00         As Specified      671.75          15570067                                          625.16       Partially Lined.
       29" wide x 171/4" deep; bottle capacity 30 x 2.5
                                                                                                     Delivery to dock only                                                                                                                         Tailgate Delivery. All or
       liter or 90 x 500ml
                                                                                                                                                                                                                                                      none to one location.
                                                                                    4.48            S47335A
 9     Vinyl Gloves; small 100 package                     Frey #15565969     2
                                                                                       pk/100       Fisher # 19 041 189BE
                                                          AQUARIA
       Aquaculture System; 200 gal culture tank; 20" x     Carolina
 10                                                                           2
       20" viewing window                                  #RG-16-1950

 11    Aquaport Launcher                                   Pitsco #R55499     5

       Undergravel Filter - for 29 gallon                  Carolina                                S18014
 12                                                                          20        9.90                                                                                                          29.99           Undertow
       aquarium                                            #RG-67-1823                                       page 254
       Power head pump - high flow rate; low power
                                                           Aquatic Ecosys.
 13    consumption; 115 volts, 60hz; 230 gal per hour                        10                                                                                                                      34.99            MJ 900
                                                           #PU17
       flow
       Aquarium - all glass, 29 gallon;                                                            S17828MF page 248
 14                                                        Flinn #FB0213     18       57.21                                        75.50          As Specified                                       46.99             AGA
       30" x 12" x 18"                                                                               Wilson Pet Supply PPPUE29




                                                                                                                                                   Page 2 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                       NEBRASKA SCIENTIFIC                    SARGENT-WELCH                  SCIENCE KIT & BOREAL                SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                 LABORATORIES                                                        SCIENCE EST.
                                                                                    Unit                             Unit                                  Unit                               Unit                             Unit
Item                     Description                         Bid or Equal    Qty.          Price   Brand and Model          Price      Brand and Model            Price     Brand and Model          Price   Brand and Model          Price   Brand and Model
                                                          SAFETY
       Aprons, Rubber: Flexible, acid resistant rubber
 1     aprons with cotton tapes at waist and neck, size    Frey 96589239     190                                        4.16                 S955-B                                                                               6.30         Wards 15-1015
       approx. 27" x 42".
       Visrogog; protects from overhead glare and
 2     chemical splash; worn over eyeglasses without       Flinn #AP1362     35                                         4.09                S40392-B          5.75             SK45273-00                                         5.80         Wards 15-3005
       fogging; meets ANSIZ87.1 standards.

       Splash Goggles; standard vented, chemical
 3                                                         Flinn #AP3306     85                                         2.12              S40380-03 E         3.74             SK62011-01                                         2.50         Wards 15-3046
       splash, meets ANSIZ87.1
                                                                                                                     289.44
       Gloves, Heat Resistant: Kevlar Aramid; 100%;        Carolina                                                                   offer similar
 4                                                                           60                                        CS-60
       29 string knit; heat cut and abrasion resistant.    #CE701642                                                                         14003-438
                                                                                                                      ($4.82/pair)

       Ultraviolet Sterilization Cabinet; sanitize
       goggles; 15 min timer; key lock; safety door        Carolina
 5                                                                           10                                        348.00              S40419-40         488.00            SK45153-00
       switches; pilot light; long life UV bulb; 32" x     #CE646844
       241/2" x 91/4"

       Splash Goggles; standard vented, chemical           Carolina                                                                  spectacles
 6                                                                           60                                         1.83                                  5.08             SK66350-01                                         2.40         Wards 15-3055
       splash, meets ANSIZ87.1                             #CE646700                                                                          S40380-01A

       Ultraviolet Sterilization Cabinet Replacement       Carolina
 7                                                                            6                                        24.20               S40419-20R        34.40             SK65869-03
       bulb; fits cabinet item #5 above.                   #CE646845

       Chemical Storage Cabinet- Acid; exterior 361/2"
                                                                                                                                                                          *SK we offer:
       high, 31" wide, 20" deep; interior 281/2" high x
 8                                                      Flinn #SE8041         2                                        565.55               18500-070        813.32       45219-00
       29" wide x 171/4" deep; bottle capacity 30 x 2.5
                                                                                                                                                                                (page 872)
       liter or 90 x 500ml

 9     Vinyl Gloves; small 100 package                     Frey #15565969     2                                      11.84 / 100            S40273-G                                                                             10.80         Wards 15-1075

                                                          AQUARIA
       Aquaculture System; 200 gal culture tank; 20" x     Carolina
 10                                                                           2
       20" viewing window                                  #RG-16-1950

 11    Aquaport Launcher                                   Pitsco #R55499     5

       Undergravel Filter - for 29 gallon                  Carolina
 12                                                                          20                                         9.06               S1050-31G         18.71             SK68510-30
       aquarium                                            #RG-67-1823
       Power head pump - high flow rate; low power
                                                           Aquatic Ecosys.
 13    consumption; 115 volts, 60hz; 230 gal per hour                        10
                                                           #PU17
       flow
       Aquarium - all glass, 29 gallon;                                                                                                                                   36"x12"x16"
 14                                                        Flinn #FB0213     18                                                                              116.41
       30" x 12" x 18"                                                                                                                                                         SK60182-31




                                                                                                                                            Page 3 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                        ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                       Unit                        Unit                              Unit                             Unit                             Unit
Item                      Description                           Bid or Equal      Qty.   Price   Brand and Model       Price     Brand and Model            Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
       Magnum 350 Aquarium Filter - canister, high           Carolina                                                           Aquatic Ecosys.
 15                                                                                2                                 89.25                             138.29         As Specified
       impact plastic self-starting; 350 gal per hour        #RG-67-1894                                                                #M635
       Magnum 350 Aquarium Filter Replacement                Carolina                                                           Aquatic Ecosys.
 16                                                                                3                                  6.25                             76.40          As Specified
       Cartridge                                             #RG-67-1915                                                                #M6C
       Venturi Protein Skimmer - dual reaction
                                                        Carolina
 17    chambers; durable foam pads; filtration up to 70                            3                                                                   76.40          As Specified
                                                        #RG-67-1915
       gallons.
       Submersible Heater - 100 watt; 9" length,             Aquatic Ecosys.                                                   Aquatic Ecosys.
 18                                                                               20                                 13.00
       adjustable thermostat, reads in C and F               #VT100                                                                     # VT100
       Salintester - + or - .02 pNa accuracy; range 0.00
       to 1.00 pNa; resolution 0.01 pNa; instant reading Sargent Welch
 19                                                                                2
       on digital display; includes pNa-g/L conversion #WLS-30018-B
       table and 4 1.4 volt batteries.

       Whisper Power Filter - for 30 to 55                   Boreal Lab/Sci kit                                                Aquatic Ecosys.
 20                                                                                5                                 31.95                             51.57         CBS 67-1830D
       gal tanks                                             #45399-01                                                                  #WPF3

       Aerator Air Pump - 1 hp; 115/230 voltage; 4000 Aquatic Ecosys.                                                          Aquatic Ecosys.
 21                                                                                1                                 430.00
       starting watts; 11/2 in outlet hose            #S41                                                                               #S41

       Aquarium - 240 gal.; acrylic; 96" x 24" x 24";        Aquatic Ecosys.                                                   Aquatic Ecosys.
 22                                                                                1                                 875.00
       tank includes single fluorescent fixture bulb         #AT240                                                                     #AT240

       Aquarium Package - includes all glass 90 gallon
       drilled Aquarium, Cabinet, 300 watt heater, 1/5
       HP Chiller with controller, thermometer, Sea
                                                             Marine
       Test Hydrometer, Berlin Sump, Protein
 23                                                          Warehouse, Inc.       1
       Skimmer, little giant AMOQ main pump, Maxi
       Jet 1200 Power Heads, Plumb Kit, Plumb Parts,
       Wave Timer, Retro Metal Halide, 175 watt
       bulbs, Fan and 100 gal. Salt mix.

       Mechanical Service Cart; heavy duty reusable
       filter cartridges; suction and discharge diffusers;   That FISH Place                                                    Aquatic Ecosys.
 24                                                                                1                                 805.00
       1500 gph; 1/2 hp pump; 1" x 10' flexible hose         #RL0195                                                                    #PSU2
       with shutoff valves

       Self-contained Marine Aquarium; Jewel Oceanic
       55; 55gal capacity; 4 side panels of insulated
       double-walled glass; slate bottom, epoxy coated Carolina
 25                                                                                1                                                                  2,740.00        As Specified
       frame; 400 gal per hr centrifugal impeller pump; #RG671305
       5 deg. C; complete with accessories includes
       metal rolling stand with casters




                                                                                                                                      Page 4 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                                  FISHER SCIENCE                             FLINN SCIENTIFIC CO.                FREY SCIENTIFIC               MARINE WAREHOUSE                                   NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                     EDUCATION                                                                                                   AQUARIUM INC.
                                                                                         Unit                                         Unit                             Unit                             Unit                                       Unit
Item                      Description                           Bid or Equal      Qty.          Price     Brand and Model                    Price   Brand and Model          Price   Brand and Model          Price     Brand and Model                  Price   Brand and Model
       Magnum 350 Aquarium Filter - canister, high           Carolina
 15                                                                                2                                                                                                                      119.99             As Specified
       impact plastic self-starting; 350 gal per hour        #RG-67-1894
       Magnum 350 Aquarium Filter Replacement                Carolina
 16                                                                                3                                                                                                                      13.99             Carbon Basket
       Cartridge                                             #RG-67-1915
       Venturi Protein Skimmer - dual reaction
                                                        Carolina                                                                                                                                                       Sealife Systems
 17    chambers; durable foam pads; filtration up to 70                            3                                                                                                                      89.99
                                                        #RG-67-1915                                                                                                                                                            75 w/ pump
       gallons.
       Submersible Heater - 100 watt; 9" length,             Aquatic Ecosys.                             S18080-07 page 252
 18                                                                               20        7.33                                                                                                          26.99                 VT100                18.04           SB31485M
       adjustable thermostat, reads in C and F               #VT100                                      Wilson Pet Supply PPP10100

       Salintester - + or - .02 pNa accuracy; range 0.00
       to 1.00 pNa; resolution 0.01 pNa; instant reading Sargent Welch
 19                                                                                2
       on digital display; includes pNa-g/L conversion #WLS-30018-B
       table and 4 1.4 volt batteries.

       Whisper Power Filter - for 30 to 55                   Boreal Lab/Sci kit                         S18022 page 254   Wilson
 20                                                                                5       24.94                                                                                                          39.99              Penguin 170
       gal tanks                                             #45399-01                                     Pet Supply SEC6001

       Aerator Air Pump - 1 hp; 115/230 voltage; 4000 Aquatic Ecosys.
 21                                                                                1
       starting watts; 11/2 in outlet hose            #S41

       Aquarium - 240 gal.; acrylic; 96" x 24" x 24";        Aquatic Ecosys.
 22                                                                                1                                                                                                                     1,119.00       SLS 240 w/ 2 - 48: strip
       tank includes single fluorescent fixture bulb         #AT240

       Aquarium Package - includes all glass 90 gallon
       drilled Aquarium, Cabinet, 300 watt heater, 1/5
       HP Chiller with controller, thermometer, Sea
                                                             Marine
       Test Hydrometer, Berlin Sump, Protein                                                                                                                                                                                See Attached
 23                                                          Warehouse, Inc.       1                                                                                                                     2,807.84
       Skimmer, little giant AMOQ main pump, Maxi                                                                                                                                                                           Specifications
       Jet 1200 Power Heads, Plumb Kit, Plumb Parts,
       Wave Timer, Retro Metal Halide, 175 watt
       bulbs, Fan and 100 gal. Salt mix.

       Mechanical Service Cart; heavy duty reusable
       filter cartridges; suction and discharge diffusers;   That FISH Place
 24                                                                                1
       1500 gph; 1/2 hp pump; 1" x 10' flexible hose         #RL0195
       with shutoff valves

       Self-contained Marine Aquarium; Jewel Oceanic
       55; 55gal capacity; 4 side panels of insulated
       double-walled glass; slate bottom, epoxy coated Carolina
 25                                                                                1                                                                                    2,517.90         15575214
       frame; 400 gal per hr centrifugal impeller pump; #RG671305
       5 deg. C; complete with accessories includes
       metal rolling stand with casters




                                                                                                                                                        Page 5 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                            NEBRASKA SCIENTIFIC                    SARGENT-WELCH                SCIENCE KIT & BOREAL                 SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                    LABORATORIES                                                         SCIENCE EST.
                                                                                         Unit                             Unit                                Unit                                Unit                             Unit
Item                      Description                           Bid or Equal      Qty.          Price   Brand and Model          Price     Brand and Model           Price   Brand and Model             Price   Brand and Model          Price   Brand and Model
       Magnum 350 Aquarium Filter - canister, high           Carolina
 15                                                                                2                                                                            150.00             SK45288-00
       impact plastic self-starting; 350 gal per hour        #RG-67-1894
       Magnum 350 Aquarium Filter Replacement                Carolina
 16                                                                                3
       Cartridge                                             #RG-67-1915
       Venturi Protein Skimmer - dual reaction
                                                        Carolina
 17    chambers; durable foam pads; filtration up to 70                            3
                                                        #RG-67-1915
       gallons.
       Submersible Heater - 100 watt; 9" length,             Aquatic Ecosys.                                                                                                 12"
 18                                                                               20                                                                             9.77
       adjustable thermostat, reads in C and F               #VT100                                                                                                                SK60255-10
       Salintester - + or - .02 pNa accuracy; range 0.00
       to 1.00 pNa; resolution 0.01 pNa; instant reading Sargent Welch
 19                                                                                2                                        60.83             As Specified
       on digital display; includes pNa-g/L conversion #WLS-30018-B
       table and 4 1.4 volt batteries.

       Whisper Power Filter - for 30 to 55                   Boreal Lab/Sci kit                                                          S1050-20
 20                                                                                5                                        39.24                               49.54              As specified                                      46.50         Wards 21-3537
       gal tanks                                             #45399-01                                                                        see page 218

       Aerator Air Pump - 1 hp; 115/230 voltage; 4000 Aquatic Ecosys.
 21                                                                                1
       starting watts; 11/2 in outlet hose            #S41

       Aquarium - 240 gal.; acrylic; 96" x 24" x 24";        Aquatic Ecosys.
 22                                                                                1
       tank includes single fluorescent fixture bulb         #AT240

       Aquarium Package - includes all glass 90 gallon
       drilled Aquarium, Cabinet, 300 watt heater, 1/5
       HP Chiller with controller, thermometer, Sea
                                                             Marine
       Test Hydrometer, Berlin Sump, Protein
 23                                                          Warehouse, Inc.       1
       Skimmer, little giant AMOQ main pump, Maxi
       Jet 1200 Power Heads, Plumb Kit, Plumb Parts,
       Wave Timer, Retro Metal Halide, 175 watt
       bulbs, Fan and 100 gal. Salt mix.

       Mechanical Service Cart; heavy duty reusable
       filter cartridges; suction and discharge diffusers;   That FISH Place
 24                                                                                1
       1500 gph; 1/2 hp pump; 1" x 10' flexible hose         #RL0195
       with shutoff valves

       Self-contained Marine Aquarium; Jewel Oceanic
                                                                                                                                         S1035 D-TRK
       55; 55gal capacity; 4 side panels of insulated
                                                                                                                                           +
       double-walled glass; slate bottom, epoxy coated Carolina
 25                                                                                1                                       2,637.38      S1038-10TRK
       frame; 400 gal per hr centrifugal impeller pump; #RG671305
                                                                                                                                           +
       5 deg. C; complete with accessories includes
                                                                                                                                                S1035-30
       metal rolling stand with casters




                                                                                                                                               Page 6 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                      ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                        DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                     Unit                        Unit                              Unit                                  Unit                             Unit
Item                      Description                           Bid or Equal    Qty.   Price   Brand and Model       Price    Brand and Model             Price    Brand and Model              Price   Brand and Model          Price     Brand and Model
                                        BIOLOGY / BIOTECHNOLOGY

       Roll-X Incubator- continuous running fan;             NASCO
 26                                                                              1                                                                   537.75           CBS 70-1223
       adjustable thermostat; nichrome wire coil heater      #C10621M

       Crayfish Anatomy Display Mount - dye injected         Boreal Lab
 27                                                                              1                                                                   110.25       Weoffer CBS 26-2177D
       crayfish                                              #67957-00

       Perch Anatomy Display Mount - injected with           Boreal Lab
 28                                                                              2                                                                   143.00       Weoffer CBS 26-3415D
       contrasting colors                                    #67962-00

       Biotechnology For Young Scientists kit- battery
       operated electrophoresis tank; cell lysis solution;
       DNA spoolers; DNA stain; running buffer;            Fisher
 29                                                                              3
       agarose; electrophoretic dyes; micropipettes;       #CDS63060
       microcentrifuge tubes; complete teacher and
       student guides

       Kits for AP Biology- Package consists of 12
       separate labs (each lab a 6 station kit); diffusion
       and osmosis, enzyme catalysis, mitosis and
                                                             Carolina
       meiosis, plant pigments and photosystheis, cell
                                                             AP Science Kits
 30    respiration, molecular biology, genetics of                               1                                                                   989.00         Special AP Bio Kit
                                                             (all 12 kits - 6
       organisms, population genetics and evolution,
                                                             station)
       transpiration, physiology of the circulatory
       system, animal behavior and dissolved oxygen
       and aquatic primary productivity

 31    Anatomy and Physiology Slide Set                      Flinn #ML1390       1

       Dissection Tray and Cover - 11" x 7" x 11/2";
                                                                                                                             Aquatic Ecosys.
 32    moisture shield; specimens up to 31/2" high;          Frey #15582963     25                                  9.00
                                                                                                                              #DT9003-equivalent
       stackable

       Complete Biology Chart Series- includes 35
 33                                                          Flinn #FB0184       1
       Biology charts; tripod stand and chart head


       Individual DNA and Molecular Model Kit- Lab           NASCO
 34                                                                             15
       Aids #71-513; 8 rung ladder segment of DNA            #SB13744M


       Cell Cycle Simulation kit - simulation of
 35                                                          Flinn #FB1443       1
       chromosome behaviors; materials for 15 groups


       Animal Survey Set - represents all major groups
       of the animal kingdom; each specimen is                                                                                                                                                                                           TB 41163
 36                                                          Frey #15596904      1                                                                                                                                          173.14
       preserved in a 8 oz museum jar with a labeled                                                                                                                                                                                                page 47
       cap; 48 specimens included


                                                                                                                                  Page 7 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                                FISHER SCIENCE                     FLINN SCIENTIFIC CO.                FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                   EDUCATION                                                                                           AQUARIUM INC.
                                                                                       Unit                                 Unit                             Unit                             Unit                             Unit
Item                      Description                           Bid or Equal    Qty.          Price      Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
                                        BIOLOGY / BIOTECHNOLOGY

       Roll-X Incubator- continuous running fan;             NASCO
 26                                                                              1                                                                                                                                               490.00         As Specified
       adjustable thermostat; nichrome wire coil heater      #C10621M

       Crayfish Anatomy Display Mount - dye injected         Boreal Lab
 27                                                                              1
       crayfish                                              #67957-00

       Perch Anatomy Display Mount - injected with           Boreal Lab
 28                                                                              2
       contrasting colors                                    #67962-00

       Biotechnology For Young Scientists kit- battery
       operated electrophoresis tank; cell lysis solution;
       DNA spoolers; DNA stain; running buffer;            Fisher                                     As Specified
 29                                                                              3       67.12
       agarose; electrophoretic dyes; micropipettes;       #CDS63060                                             page 291
       microcentrifuge tubes; complete teacher and
       student guides

       Kits for AP Biology- Package consists of 12
       separate labs (each lab a 6 station kit); diffusion
       and osmosis, enzyme catalysis, mitosis and
                                                             Carolina
       meiosis, plant pigments and photosystheis, cell
                                                             AP Science Kits
 30    respiration, molecular biology, genetics of                               1
                                                             (all 12 kits - 6
       organisms, population genetics and evolution,
                                                             station)
       transpiration, physiology of the circulatory
       system, animal behavior and dissolved oxygen
       and aquatic primary productivity

 31    Anatomy and Physiology Slide Set                      Flinn #ML1390       1                                            107.72         As Specified

       Dissection Tray and Cover - 11" x 7" x 11/2";
                                                                                                      S17420
 32    moisture shield; specimens up to 31/2" high;          Frey #15582963     25        4.13                                                                 19.25          As Specified                                        9.92           SB08756M
                                                                                                                page 134
       stackable

       Complete Biology Chart Series- includes 35
 33                                                          Flinn #FB0184       1                                            812.16         As Specified
       Biology charts; tripod stand and chart head


       Individual DNA and Molecular Model Kit- Lab           NASCO
 34                                                                             15                                                                             10.84           15586098                                          10.46          As Specified
       Aids #71-513; 8 rung ladder segment of DNA            #SB13744M


       Cell Cycle Simulation kit - simulation of
 35                                                          Flinn #FB1443       1                                            94.99          As Specified
       chromosome behaviors; materials for 15 groups


       Animal Survey Set - represents all major groups
       of the animal kingdom; each specimen is                                                        S9252
 36                                                          Frey #15596904      1       148.81                                                                139.44         As Specified
       preserved in a 8 oz museum jar with a labeled                                                           page 137
       cap; 48 specimens included


                                                                                                                                              Page 8 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                          NEBRASKA SCIENTIFIC                     SARGENT-WELCH                      SCIENCE KIT & BOREAL                   SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                         LABORATORIES                                                           SCIENCE EST.
                                                                                       Unit                              Unit                                      Unit                                  Unit                             Unit
Item                      Description                           Bid or Equal    Qty.          Price    Brand and Model          Price     Brand and Model                 Price     Brand and Model             Price   Brand and Model          Price      Brand and Model
                                        BIOLOGY / BIOTECHNOLOGY
                                                                                                                                                                                  * SK we offer:
       Roll-X Incubator- continuous running fan;             NASCO
 26                                                                              1                                                                                   633.75       69898-00
       adjustable thermostat; nichrome wire coil heater      #C10621M
                                                                                                                                                                                        (page 224)

       Crayfish Anatomy Display Mount - dye injected         Boreal Lab
 27                                                                              1                                         88.32                   76020             124.50             As Specified                                        107.90            Wards 67-6804
       crayfish                                              #67957-00

       Perch Anatomy Display Mount - injected with           Boreal Lab
 28                                                                              2                                         120.58                  76035             152.64             As Specified                                        147.50            Wards 67-6826
       contrasting colors                                    #67962-00

       Biotechnology For Young Scientists kit- battery
       operated electrophoresis tank; cell lysis solution;
       DNA spoolers; DNA stain; running buffer;            Fisher                                     NEO-SCIENCE
 29                                                                              3       92.50
       agarose; electrophoretic dyes; micropipettes;       #CDS63060                                      AZ20-1083
       microcentrifuge tubes; complete teacher and
       student guides

       Kits for AP Biology- Package consists of 12
       separate labs (each lab a 6 station kit); diffusion
       and osmosis, enzyme catalysis, mitosis and
                                                             Carolina                                                                                                             (Pages 125-126)
       meiosis, plant pigments and photosystheis, cell
                                                             AP Science Kits                                                                                                       **SEE ATTACHMENT TO                                                   Wards 36-7097
 30    respiration, molecular biology, genetics of                               1                                                                                  2,460.86                                                               1,125.00
                                                             (all 12 kits - 6                                                                                                          TAB SHEET FOR                                                               for 8 groups
       organisms, population genetics and evolution,                                                                                                                                      DETAILS**
                                                             station)
       transpiration, physiology of the circulatory
       system, animal behavior and dissolved oxygen
       and aquatic primary productivity

 31    Anatomy and Physiology Slide Set                      Flinn #ML1390       1                                       98.52 / set     73151 offer    page 341                                                                            103.50              95W2610

       Dissection Tray and Cover - 11" x 7" x 11/2";
 32    moisture shield; specimens up to 31/2" high;          Frey #15582963     25                                          6.33          [S724-30 + S724-36]
       stackable

       Complete Biology Chart Series- includes 35                                                     DENOYER-GEPPERT
 33                                                          Flinn #FB0184       1       689.00                          604.04 / st              7805-41            879.85             SK71870-00
       Biology charts; tripod stand and chart head                                                        DG1990-41


       Individual DNA and Molecular Model Kit- Lab           NASCO                                    LAB AIDS
 34                                                                             15       12.25                            11.43 / st             S61907-38           12.25              SK45380-51                                          11.00             Wards 36-1201
       Aids #71-513; 8 rung ladder segment of DNA            #SB13744M                                    LAB 71-513

                                                                                                                                                                                   *SK we offer:
       Cell Cycle Simulation kit - simulation of
 35                                                          Flinn #FB1443       1                                                                                   99.00        63852-00
       chromosome behaviors; materials for 15 groups
                                                                                                                                                                                          (page 104)

       Animal Survey Set - represents all major groups
       of the animal kingdom; each specimen is                                                                                          430-22
 36                                                          Frey #15596904      1                                       129.64 / st
       preserved in a 8 oz museum jar with a labeled                                                                                             offer page 122
       cap; 48 specimens included


                                                                                                                                                 Page 9 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                   ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                      DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                  Unit                        Unit                           Unit                                Unit                             Unit
Item                      Description                         Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price     Brand and Model           Price   Brand and Model          Price     Brand and Model
       Dissection Kit - bi-fold vinyl case with lining;
       11/2" stainless steel scalpel; 11/2" stainless steel
       narrow blade scalpel; 51/4" stainless steel
       sharp/blunt scissors; 41/2" stainless steel iris
       scissors; 41/2" chrome straight fine point           NASCO                                                                                                                                                                TB 92401
 37                                                                          24                                                                                                                                      7.11
       forceps; 41/2" chrome curved fine point forceps; #SA04449M                                                                                                                                                                           page 46
       5" chrome straight blunt point forceps; straight
       dissecting needle, bent dissecting needle; 6"
       chrome probe and seeker; 6" ruler.


       Digital Body Composition Analyzer; hand-held,
                                                        Carolina                                                                                            As Specified
 38    calculates % of body fat; powered by 4 AAA                             3                                                                162.00
                                                        #RG-69-6353                                                                                               # RG 69-6253
       batteries (included).

       Electrophoresis Apparatus MiniGel; 7 x 14 cm;
 39                                                     Flinn #FB0314         2
       removable gel bed with templates

       Dual Power Pack for Electrophoresis Apparatus
 40                                                     Flinn #FB0316         1
       as in item #39 above

       Female Half-Pelvis Model; 1/2 female genital
 41    organs with bladder and rectum; removable        Frey #15563026        1                                                                251.75            CBS 56-6726
       organs


       Male Half-Pelvis; 1/2 male genital organs with
 42                                                     Frey #15563029        1                                                                228.00           CBS 56-6719A
       bladder and rectum; removable organs

       3B Entire Human Anatomy Figure Model;
       detail depiction of musculature as well as
 43                                                     Wards #81W1160        1
       internal organs; 3/4 size figure; 45 removable
       parts; mounted on roller stand

       Somso Neuro Anatomy Head Model; transparent
 44    skull shows orientation of brain and vessels; Wards #81W4017           1                                                               1,486.75          CBS 56-6794A
       mounted on stand

       Human Torso; Denoyer-Geppert; male, female
                                                        Carolina
 45    and sexless; multi torso with musculature and                          1                                                               4,072.50            As Specified
                                                        #RG566564
       pregnancy; includes 45 min audio cassette

       Economy Human Skull; plastic; life-size;         NASCO
 46                                                                           2                                                                44.10             CBS 24-6985
       removable molars, incisors, and top of crown     #SB25937M

       John's Hopkins Function Human Skeleton           NASCO                                                                                                                                                                    TB 91016
 47                                                                           2                                                                96.30             CBS 24-6900                                        13.89
       Model; tabletop size; 18" tall                   #S05741M                                                                                                                                                                              page 40




                                                                                                                             Page 10 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                             FISHER SCIENCE                      FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                EDUCATION                                                                                             AQUARIUM INC.
                                                                                    Unit                                  Unit                              Unit                             Unit                             Unit
Item                      Description                         Bid or Equal   Qty.          Price      Brand and Model            Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
       Dissection Kit - bi-fold vinyl case with lining;
       11/2" stainless steel scalpel; 11/2" stainless steel
       narrow blade scalpel; 51/4" stainless steel
       sharp/blunt scissors; 41/2" stainless steel iris
                                                                                                   S17257
       scissors; 41/2" chrome straight fine point           NASCO
 37                                                                          24        4.30        page 137                                                                                                                   6.53 / Kit       As Specified
       forceps; 41/2" chrome curved fine point forceps; #SA04449M
                                                                                                        GSC # 17257
       5" chrome straight blunt point forceps; straight
       dissecting needle, bent dissecting needle; 6"
       chrome probe and seeker; 6" ruler.


       Digital Body Composition Analyzer; hand-held,
                                                        Carolina                                   S65120
 38    calculates % of body fat; powered by 4 AAA                             3       38.37
                                                        #RG-69-6353                                          page 235
       batteries (included).

       Electrophoresis Apparatus MiniGel; 7 x 14 cm;                                               S11502
 39                                                     Flinn #FB0314         2       142.85                                191.47         As Specified
       removable gel bed with templates                                                                     page 304

       Dual Power Pack for Electrophoresis Apparatus                                               S11508
 40                                                     Flinn #FB0316         1       142.44                                182.40         As Specified       189.00          15561910                                          125.67          SB23868M
       as in item #39 above                                                                                  page 305

       Female Half-Pelvis Model; 1/2 female genital
                                                                                                   S17143
 41    organs with bladder and rectum; removable        Frey #15563026        1       103.95                                                                  138.60         As Specified                                       102.44          LZ01193M
                                                                                                            page 219
       organs


       Male Half-Pelvis; 1/2 male genital organs with                                              S17144
 42                                                     Frey #15563029        1       103.95                                                                  138.60         As Specified                                       102.44          LZ01194M
       bladder and rectum; removable organs                                                                  page 219

       3B Entire Human Anatomy Figure Model;                                                       S17168
       detail depiction of musculature as well as                                                   page 197
 43                                                     Wards #81W1160        1      4,182.56                                                                4,599.00         15563005                                         4,121.56         LZ01142M
       internal organs; 3/4 size figure; 45 removable                                              Dock to Dock
       parts; mounted on roller stand                                                                     delivery only

       Somso Neuro Anatomy Head Model; transparent
 44    skull shows orientation of brain and vessels; Wards #81W4017           1
       mounted on stand

       Human Torso; Denoyer-Geppert; male, female                                                  S171481 page 197
                                                        Carolina
 45    and sexless; multi torso with musculature and                          1      3,032.09          Denoyer Geppert                                       3,083.72         15582879
                                                        #RG566564
       pregnancy; includes 45 min audio cassette                                                              # 0718-00

       Economy Human Skull; plastic; life-size;         NASCO                                      SCS-20
 46                                                                           2       20.90                                                                                                                                     24.96          As Specified
       removable molars, incisors, and top of crown     #SB25937M                                           page 176

       John's Hopkins Function Human Skeleton           NASCO                                      S17142
 47                                                                           2       80.99                                                                   121.80          15571883                                          77.92          As Specified
       Model; tabletop size; 18" tall                   #S05741M                                            page 179




                                                                                                                                            Page 11 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                       NEBRASKA SCIENTIFIC                      SARGENT-WELCH                   SCIENCE KIT & BOREAL                     SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                    LABORATORIES                                                             SCIENCE EST.
                                                                                    Unit                               Unit                                   Unit                                    Unit                             Unit
Item                      Description                         Bid or Equal   Qty.          Price     Brand and Model          Price      Brand and Model             Price      Brand and Model              Price   Brand and Model          Price      Brand and Model
       Dissection Kit - bi-fold vinyl case with lining;
       11/2" stainless steel scalpel; 11/2" stainless steel
       narrow blade scalpel; 51/4" stainless steel
       sharp/blunt scissors; 41/2" stainless steel iris
                                                                                                                                                                             *SK we offer:
       scissors; 41/2" chrome straight fine point           NASCO                                                                     S27093
 37                                                                          24                                         10.64 / st                              14.31             68743-00
       forceps; 41/2" chrome curved fine point forceps; #SA04449M                                                                          offer page 129
                                                                                                                                                                                         (page 284)
       5" chrome straight blunt point forceps; straight
       dissecting needle, bent dissecting needle; 6"
       chrome probe and seeker; 6" ruler.


       Digital Body Composition Analyzer; hand-held,
                                                        Carolina
 38    calculates % of body fat; powered by 4 AAA                             3
                                                        #RG-69-6353
       batteries (included).
                                                                                                                                                                              *SK we offer:
       Electrophoresis Apparatus MiniGel; 7 x 14 cm;
 39                                                     Flinn #FB0314         2       189.90             EVT-502         142.00               S31158-04         181.44       46164-01
       removable gel bed with templates
                                                                                                                                                                                     (page 113)
       Dual Power Pack for Electrophoresis Apparatus
 40                                                     Flinn #FB0316         1       169.00             EVT-508         150.15               S31158-12
       as in item #39 above

       Female Half-Pelvis Model; 1/2 female genital
 41    organs with bladder and rectum; removable        Frey #15563026        1                                          107.00                  96593                                                                                   147.50               81W3199
       organs


       Male Half-Pelvis; 1/2 male genital organs with
 42                                                     Frey #15563029        1                                          107.00                  96594                                                                                   147.50                81-1173
       bladder and rectum; removable organs

       3B Entire Human Anatomy Figure Model;
       detail depiction of musculature as well as
 43                                                     Wards #81W1160        1                                         4,289.00              MISC-B50                                                                                  5,935.00             As Specified
       internal organs; 3/4 size figure; 45 removable
       parts; mounted on roller stand

       Somso Neuro Anatomy Head Model; transparent                                                                                                                                                                                                    As Specified
 44    skull shows orientation of brain and vessels; Wards #81W4017           1                                                                                                                                                          975.00         150 - 180 days
       mounted on stand                                                                                                                                                                                                                                       for delivery

       Human Torso; Denoyer-Geppert; male, female
                                                        Carolina                                   DENOYER-GEPPERT                                                            SK69390-00 w/ 69390-
 45    and sexless; multi torso with musculature and                          1      3,345.00                           3,476.80                 95665         4,224.00                                                                 4,300.00               81-1140
                                                        #RG566564                                       DG 718 E                                                                 02, 03 and 04
       pregnancy; includes 45 min audio cassette

       Economy Human Skull; plastic; life-size;         NASCO                                                                         98107
 46                                                                           2                                          54.00
       removable molars, incisors, and top of crown     #SB25937M                                                                             see page 140

       John's Hopkins Function Human Skeleton           NASCO
 47                                                                           2                                          119.40                  98111          118.00             SK66937-00                                            106.50                81-4520
       Model; tabletop size; 18" tall                   #S05741M




                                                                                                                                              Page 12 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                Unit                        Unit                           Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
       Skeletronix Smithsonian Incredible Talking         NASCO
 48                                                                         1
       Skeleton                                           #SB33202M

       Digital Finger Blood Pressure Monitor - fits
       index finger to circumference of 2' to 3";         NASCO
 49                                                                         1
       accuracy +/- 2% of pressure reading; +/- 5% of     #SB19277M
       pulse reading;instruction manual

       Reptile Cage - 24" x 121/2" x 121/2"; plastic;     Carolina
 50                                                                         2                                                                65.95          As Specified
       sliding plexiglass door                            #RG-67-4316

       Squid Biosmount; 2 specimens of each animal,
                                                          Carolina
 51    latex injected, labeled, a line drawing of squid                     2                                                                150.75         As Specified
                                                          #RG-26-2033D
       anatomy, separate teacher's answer key.

       Multi-gel precasting system; preparation of six
       agarose gels; gel scoop for easy removal, six 8    Carolina
 52                                                                         2                                                                107.55         As Specified
       tooth combs, 153/4" x 71/2" gel compartment        #RG-21-3669
       3/4" x 3/4"

       Plant Kingdom Set; 12 clear plastic blocks
 53    showing representative plant species and           Frey #15562873    2
       characteristics; removable labels

       Articulated Human Skeleton; plastic
       construction; life-size; rod mounted; detachable
 54                                                       Wards #82W3010    2                                                                404.46         CBS 24-6875
       limbs; sturdy wheel base; hinged mouth; dust
       cover included
       Articulated Painted Human Skeleton; plastic
       construction; life-size; rod mounted; detachable
 55    limbs; sturdy wheel base; hinged mouth; color      Wards #82W3040    1                                                                684.00         CBS 24-6891
       show muscle origins and insertions; dust cover
       included

 56    Somso Lymphatic System Model                       Wards #81W3155    1                                                               1,044.00        CBS 56-6842

       Somso Heart on Diaphragm Model 71/2" x 7" x
 57                                                       Wards #81W3187    1
       111/2"

       Alligator Skeleton; Mounted on upright base;
 58                                                       Wards #65W3401    1
       approx. 30" long


 59    Somso Neuron Model 11" x 153/4" x 51/2"            Wards #81W3020    1                                                                251.75         CBS 56-7419


       Somso Kidney Structure Model 251/2" x 12" x
 60                                                       Wards #81W3023    1                                                                384.75         CBS 56-6922
       31/2"

       Ear Models fluid filled canals demonstrate                                                                                                                                                                           TB 11170
 61                                                       Wards #81W1110    1                                                                285.00         CBS 56-6964                                        42.69
       concept of equilibrium 16" x 11" x 7"                                                                                                                                                                                           page 42


                                                                                                                           Page 13 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                           FISHER SCIENCE                      FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                              EDUCATION                                                                                             AQUARIUM INC.
                                                                                  Unit                                  Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.          Price     Brand and Model             Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
       Skeletronix Smithsonian Incredible Talking         NASCO                                  S66021
 48                                                                         1       31.95                                                                   41.96           15594424                                          30.65          As Specified
       Skeleton                                           #SB33202M                                        page 177

       Digital Finger Blood Pressure Monitor - fits
       index finger to circumference of 2' to 3";         NASCO
 49                                                                         1                                                                                                                                                 66.53          As Specified
       accuracy +/- 2% of pressure reading; +/- 5% of     #SB19277M
       pulse reading;instruction manual

       Reptile Cage - 24" x 121/2" x 121/2"; plastic;     Carolina
 50                                                                         2
       sliding plexiglass door                            #RG-67-4316

       Squid Biosmount; 2 specimens of each animal,
                                                          Carolina
 51    latex injected, labeled, a line drawing of squid                     2
                                                          #RG-26-2033D
       anatomy, separate teacher's answer key.

       Multi-gel precasting system; preparation of six
       agarose gels; gel scoop for easy removal, six 8    Carolina
 52                                                                         2
       tooth combs, 153/4" x 71/2" gel compartment        #RG-21-3669
       3/4" x 3/4"

       Plant Kingdom Set; 12 clear plastic blocks
                                                                                                 S16605
 53    showing representative plant species and           Frey #15562873    2       321.43                                                                  441.00         As Specified                                       356.25          SB10544M
                                                                                                           page 155
       characteristics; removable labels

       Articulated Human Skeleton; plastic
       construction; life-size; rod mounted; detachable                                          S17133B page 178
 54                                                       Wards #82W3010    2       222.56                                                                                                                                    239.25          SB02011M
       limbs; sturdy wheel base; hinged mouth; dust                                                 American 3B #A-10
       cover included
       Articulated Painted Human Skeleton; plastic
       construction; life-size; rod mounted; detachable
                                                                                                 S17138A page 179
 55    limbs; sturdy wheel base; hinged mouth; color      Wards #82W3040    1       417.91                                                                  504.84          15562990
                                                                                                    American 3B # A11
       show muscle origins and insertions; dust cover
       included

 56    Somso Lymphatic System Model                       Wards #81W3155    1

       Somso Heart on Diaphragm Model 71/2" x 7" x
 57                                                       Wards #81W3187    1
       111/2"

       Alligator Skeleton; Mounted on upright base;
 58                                                       Wards #65W3401    1
       approx. 30" long

                                                                                                 S17113
 59    Somso Neuron Model 11" x 153/4" x 51/2"            Wards #81W3020    1       216.50
                                                                                                     Somso # BS35

       Somso Kidney Structure Model 251/2" x 12" x                                               S17162 page 218
 60                                                       Wards #81W3023    1       201.63
       31/2"                                                                                           American 3B

       Ear Models fluid filled canals demonstrate                                                S171244    page 208
 61                                                       Wards #81W1110    1       187.67                                                                  231.00          15582927                                          215.20          SB16048M
       concept of equilibrium 16" x 11" x 7"                                                                Denoyer


                                                                                                                                          Page 14 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                     NEBRASKA SCIENTIFIC                    SARGENT-WELCH                    SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                 LABORATORIES                                                      SCIENCE EST.
                                                                                  Unit                             Unit                                    Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.          Price   Brand and Model          Price     Brand and Model               Price   Brand and Model          Price   Brand and Model          Price      Brand and Model
       Skeletronix Smithsonian Incredible Talking         NASCO
 48                                                                         1
       Skeleton                                           #SB33202M

       Digital Finger Blood Pressure Monitor - fits
       index finger to circumference of 2' to 3";         NASCO
 49                                                                         1
       accuracy +/- 2% of pressure reading; +/- 5% of     #SB19277M
       pulse reading;instruction manual

       Reptile Cage - 24" x 121/2" x 121/2"; plastic;     Carolina                                                                                                        Glass Door
 50                                                                         2                                                                                69.30
       sliding plexiglass door                            #RG-67-4316                                                                                                         SK46061-00

       Squid Biosmount; 2 specimens of each animal,
                                                          Carolina                                                                76015
 51    latex injected, labeled, a line drawing of squid                     2                                        128.26                                  160.32          SK67983-00                                        157.40               67-6819
                                                          #RG-26-2033D                                                                 offer page 116
       anatomy, separate teacher's answer key.

       Multi-gel precasting system; preparation of six
       agarose gels; gel scoop for easy removal, six 8    Carolina
 52                                                                         2
       tooth combs, 153/4" x 71/2" gel compartment        #RG-21-3669
       3/4" x 3/4"

       Plant Kingdom Set; 12 clear plastic blocks
 53    showing representative plant species and           Frey #15562873    2                                      529.00 / st              76011
       characteristics; removable labels

       Articulated Human Skeleton; plastic
       construction; life-size; rod mounted; detachable
 54                                                       Wards #82W3010    2       264.50           SP 1950         224.00                 97700                                                                              315.00             As Specified
       limbs; sturdy wheel base; hinged mouth; dust
       cover included
       Articulated Painted Human Skeleton; plastic
       construction; life-size; rod mounted; detachable
 55    limbs; sturdy wheel base; hinged mouth; color      Wards #82W3040    1       495.00           SP 1970         424.00                 97713                                                                              593.00             As Specified
       show muscle origins and insertions; dust cover
       included
                                                                                                                                                                                                                                            As Specified
 56    Somso Lymphatic System Model                       Wards #81W3155    1                                                                                                                                                  815.00             30 - 60 days for
                                                                                                                                                                                                                                                     delivery
       Somso Heart on Diaphragm Model 71/2" x 7" x
 57                                                       Wards #81W3187    1                                                                                                                                                  695.00           Wards 81W3197
       111/2"

       Alligator Skeleton; Mounted on upright base;
 58                                                       Wards #65W3401    1                                                                                                                                                  720.00             As Specified
       approx. 30" long

                                                                                                                                  96025
 59    Somso Neuron Model 11" x 153/4" x 51/2"            Wards #81W3020    1                                        357.12                                                                                                    170.00             As Specified
                                                                                                                                          offer page 164

                                                                                                                                                                                                                                            As Specified
       Somso Kidney Structure Model 251/2" x 12" x
 60                                                       Wards #81W3023    1                                                                                                                                                  270.00              30 - 60 days for
       31/2"
                                                                                                                                                                                                                                                     delivery

       Ear Models fluid filled canals demonstrate
 61                                                       Wards #81W1110    1                                        192.07                 95026                                                                              266.30             As Specified
       concept of equilibrium 16" x 11" x 7"


                                                                                                                                          Page 15 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                  ARBOR SCIENTIFIC          AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                 Unit                         Unit                           Unit                             Unit                             Unit
Item                     Description                        Bid or Equal    Qty.   Price    Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
                                                       CHEMISTRY
                                                         Carolina
 62    General Chemistry Hardware Kit                                       10                                                                 49.46          As Specified
                                                         #CE707298

                                                         Carolina
 63    Chemistry Labware Kit                                                10                                                                 53.10          As Specified
                                                         #CE717820

       Periodic Collection of the Elements; contains
                                                         Arbor Scientific
 64    vials of each natural element in a mahogany                           3     411.00        Arbor
                                                         #C52500
       display box

       Laminated Periodic Wall Chart- printed on
                                                                                                                                                                                                                              TB 23362
 65    Kimdura Plastic; flexible extruded polyethylene   Frey #1557419      10                                                                                                                                    3.80
                                                                                                                                                                                                                                      page 103
       sheet

       Chemical Elements Set - 25 elements in heavy      Boreal Lab
 66                                                                          2
       duty plastic display                              #45617-00

       Acids, Bases & Salts Unit - includes filter paper;
 67    pipettes: pH paper, tea bag, universal indicator, Frey #15575319      2
       19 chemical compounds; workbook included

       Atom Model - 16" x 16" background; powder
                                                         NASCO
 68    coated steel; contains 10 red + magnetic protons;                     5
                                                         #SB22526M
       10 blue- electrons; 10 green magnetic neutrons

       Crystal lattice Model- set of 14 different models; Sargent Welch
 69                                                                          1
       measures 4" to 7" long                             #WLS-61916-50

       Crystal lattice Model complete set - set of 9
       models; color coded wooden spheres attached by Sargent Welch
 70                                                                          1
       sturdy rods; 4" to 9" long; illustrated teacher's #WLS-61917
       guide included for each model

       Extra Large Periodic Table of the Elements; 76"
                                                         Sargent Welch
 71    x 52"; laminated; includes symbol, weight,                            4
                                                         #WLS-18808-45
       number, max electron distribution.

       Precision Gas Analysis Apparatus; entire test
       accomplished in less than 1 minute; pump           Carolina
 72                                                                          1                                                                 193.50         As Specified
       includes detector tube activator and soft carrying #RG-65-3072
       case.
       High Chemistry Student Survival Series;
       includes: 10 video tapes with related
       printedmaterials in 3 ring binder; student
                                                         Fisher
 73    practice and homework sheets; all charts;                             1
                                                         #CDS69822
       graphs; tables,answer keys, year-end exam,
       student planning materials and chemical safety
       guide


                                                                                                                             Page 16 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                            FISHER SCIENCE                       FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                               EDUCATION                                                                                              AQUARIUM INC.
                                                                                   Unit                                   Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal    Qty.          Price      Brand and Model             Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
                                                       CHEMISTRY
                                                         Carolina
 62    General Chemistry Hardware Kit                                       10
                                                         #CE707298

                                                         Carolina
 63    Chemistry Labware Kit                                                10
                                                         #CE717820

       Periodic Collection of the Elements; contains
                                                         Arbor Scientific
 64    vials of each natural element in a mahogany                           3
                                                         #C52500
       display box

       Laminated Periodic Wall Chart- printed on
                                                                                                  S45517 page 319
 65    Kimdura Plastic; flexible extruded polyethylene   Frey #1557419      10        4.52                                                                    20.12           15574019
                                                                                                      Fisher # 05702EMD
       sheet

       Chemical Elements Set - 25 elements in heavy      Boreal Lab
 66                                                                          2
       duty plastic display                              #45617-00

       Acids, Bases & Salts Unit - includes filter paper;
 67    pipettes: pH paper, tea bag, universal indicator, Frey #15575319      2                                                                                70.35          As Specified
       19 chemical compounds; workbook included

       Atom Model - 16" x 16" background; powder
                                                         NASCO
 68    coated steel; contains 10 red + magnetic protons;                     5                                                                                                                                                  50.00          As Specified
                                                         #SB22526M
       10 blue- electrons; 10 green magnetic neutrons

       Crystal lattice Model- set of 14 different models; Sargent Welch
 69                                                                          1
       measures 4" to 7" long                             #WLS-61916-50

       Crystal lattice Model complete set - set of 9
       models; color coded wooden spheres attached by Sargent Welch
 70                                                                          1
       sturdy rods; 4" to 9" long; illustrated teacher's #WLS-61917
       guide included for each model

       Extra Large Periodic Table of the Elements; 76"
                                                         Sargent Welch                             S45514 page 319
 71    x 52"; laminated; includes symbol, weight,                            4       39.81                                                                    86.48           15564863
                                                         #WLS-18808-45                               Fisher # 05-702-5
       number, max electron distribution.

       Precision Gas Analysis Apparatus; entire test
       accomplished in less than 1 minute; pump           Carolina
 72                                                                          1
       includes detector tube activator and soft carrying #RG-65-3072
       case.
       High Chemistry Student Survival Series;
       includes: 10 video tapes with related
       printedmaterials in 3 ring binder; student
                                                         Fisher                                   As Specified
 73    practice and homework sheets; all charts;                             1      1,186.40
                                                         #CDS69822                                          page 359
       graphs; tables,answer keys, year-end exam,
       student planning materials and chemical safety
       guide


                                                                                                                                            Page 17 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                      NEBRASKA SCIENTIFIC                    SARGENT-WELCH              SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                            LABORATORIES                                                      SCIENCE EST.
                                                                                   Unit                             Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal    Qty.          Price   Brand and Model          Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
                                                       CHEMISTRY
                                                         Carolina
 62    General Chemistry Hardware Kit                                       10
                                                         #CE707298

                                                         Carolina
 63    Chemistry Labware Kit                                                10
                                                         #CE717820

       Periodic Collection of the Elements; contains
                                                         Arbor Scientific
 64    vials of each natural element in a mahogany                           3
                                                         #C52500
       display box

       Laminated Periodic Wall Chart- printed on
 65    Kimdura Plastic; flexible extruded polyethylene   Frey #1557419      10
       sheet

       Chemical Elements Set - 25 elements in heavy      Boreal Lab
 66                                                                          2                                                                          89.95          As Specified
       duty plastic display                              #45617-00

       Acids, Bases & Salts Unit - includes filter paper;
 67    pipettes: pH paper, tea bag, universal indicator, Frey #15575319      2
       19 chemical compounds; workbook included

       Atom Model - 16" x 16" background; powder
                                                         NASCO
 68    coated steel; contains 10 red + magnetic protons;                     5                                        50.51             8398
                                                         #SB22526M
       10 blue- electrons; 10 green magnetic neutrons

       Crystal lattice Model- set of 14 different models; Sargent Welch
 69                                                                          1                                      332.09 / st      As Specified
       measures 4" to 7" long                             #WLS-61916-50

       Crystal lattice Model complete set - set of 9
       models; color coded wooden spheres attached by Sargent Welch
 70                                                                          1                                      706.09 / st      As Specified                                                                         768.90           80-0101
       sturdy rods; 4" to 9" long; illustrated teacher's #WLS-61917
       guide included for each model

       Extra Large Periodic Table of the Elements; 76"
                                                         Sargent Welch
 71    x 52"; laminated; includes symbol, weight,                            4                                        45.28          As Specified
                                                         #WLS-18808-45
       number, max electron distribution.

       Precision Gas Analysis Apparatus; entire test
       accomplished in less than 1 minute; pump           Carolina
 72                                                                          1
       includes detector tube activator and soft carrying #RG-65-3072
       case.
       High Chemistry Student Survival Series;
       includes: 10 video tapes with related
       printedmaterials in 3 ring binder; student
                                                         Fisher
 73    practice and homework sheets; all charts;                             1
                                                         #CDS69822
       graphs; tables,answer keys, year-end exam,
       student planning materials and chemical safety
       guide


                                                                                                                                      Page 18 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                               Unit                        Unit                              Unit                             Unit                             Unit
Item                     Description                       Bid or Equal   Qty.   Price   Brand and Model       Price     Brand and Model            Price   Brand and Model          Price   Brand and Model          Price     Brand and Model

       Spectrophotometer; spectronic 20D+; LED;                                                                                                                                                                               TB 92351
 74                                                      Flinn #AP1001     3                                                                  1,040.40        CBS 65-3304                                        681.43
       wavelength 340 to 950 nm                                                                                                                                                                                                          page 102


 75    Cuvettes 1/2" square                              Flinn #AP1083     3


                                                                                                                                                                                                                              TB 92351
 76    Spectrophotometer; wavelength 340 to 900 nm       Flinn #AP8685     8                                                                                                                                     681.43
                                                                                                                                                                                                                                         page 102

       Magnetic stirrer; stirring speed 350 to 2000 rpm;                                                                                                                                                                      TB 23028
 77                                                      Flinn #AP6067     7                                                                                                                                     65.14
       143 x 143 x 66;                                                                                                                                                                                                                   page 157

       Magnetic Stirrer/Hot Plate; Thermolyme
                                                                                                                                                                                                                              TB 23030
 78    Cmarec; 4 x 4; adjustable stirring speed; max     Flinn #AP5900    13                                                                                                                                     316.36
                                                                                                                                                                                                                                         page 157
       temp. 538 degrees C

       Magnetic Stirrer/Hot Plate; Thermolyme
                                                                                                                       Aquatic Ecosys.                                                                                        TB 23030
 79    Cmarec; 7 x 7; adjustable stirring speed; max     Flinn #AP1087     2                                 359.00                                                                                              316.36
                                                                                                                                #HS45                                                                                                    page 157
       temp. 538 degrees C


       Hands-On Exploration of Inorganic Compounds
       Instructors Set; includes various balls of sizes Fisher
 80                                                                        1
       and colors representing various compounds;       #CDS19398
       totals 370 balls; total number of components 520

       Molecular Motion Demonstrator; designed for
       use on overhead projector; demos random
       motion of molecules; diffusion of gas,
       Brownianmotion; Boyles and Charles Laws;          Sargent Welch
 81                                                                        2
       States of matter; changes of state; includes      #WL1710M
       different types of balls, disks represent smoke
       particles, barrier for demo of diffusion and
       confinement;complete study guide

       Solar Hydrogen Fuel Cell Technology Kit; 36       Fisher
 82                                                                        3
       different experiments; includes instruction books #CVS64254

       Gas Chromatography System Package +
       additional required items; includes CERA gas
       chromatograph, software, Carbowax 20M             Sargent Welch
 83                                                                        1
       column, etc, Extra items: Lab Data Acquisition    #WLS-18893-10
       Interface, Helium Lecture Bottle and Helium
       Pressure Regulator

                                                         Sargent Welch
 84    Thin Layered Chromatography Set                                     2
                                                         #WLS-1893201




                                                                                                                             Page 19 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                          FISHER SCIENCE                      FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                          NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                             AQUARIUM INC.
                                                                                 Unit                                  Unit                              Unit                             Unit                             Unit
Item                     Description                       Bid or Equal   Qty.          Price      Brand and Model            Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
                                                                                                                                                                                                                                          Z18054M
       Spectrophotometer; spectronic 20D+; LED;                                                 S42475P
 74                                                      Flinn #AP1001     3       867.73                               926.5433        As Specified       981.20          15595200                                          574.70             See attached
       wavelength 340 to 950 nm                                                                             page 404
                                                                                                                                                                                                                                               specifications

 75    Cuvettes 1/2" square                              Flinn #AP1083     3                                             182.35         As Specified


                                                                                                S424751
 76    Spectrophotometer; wavelength 340 to 900 nm       Flinn #AP8685     8       722.67                                740.00         As Specified       618.24          15595212
                                                                                                    Metertech #4151

       Magnetic stirrer; stirring speed 350 to 2000 rpm;                                        S50401 page 1018
 77                                                      Flinn #AP6067     7       52.33                                 103.63         As Specified
       143 x 143 x 66;                                                                             Hanna #EHI180F/U

       Magnetic Stirrer/Hot Plate; Thermolyme
                                                                                                1149620
 78    Cmarec; 4 x 4; adjustable stirring speed; max     Flinn #AP5900    13       231.23                                287.04         As Specified
                                                                                                          page 711
       temp. 538 degrees C

       Magnetic Stirrer/Hot Plate; Thermolyme
                                                                                                1149621
 79    Cmarec; 7 x 7; adjustable stirring speed; max     Flinn #AP1087     2       240.56                                338.69         As Specified       280.56          15592974
                                                                                                          page 711
       temp. 538 degrees C


       Hands-On Exploration of Inorganic Compounds
       Instructors Set; includes various balls of sizes Fisher                                  As Specified
 80                                                                        1       51.16
       and colors representing various compounds;       #CDS19398                                         page 324
       totals 370 balls; total number of components 520

       Molecular Motion Demonstrator; designed for
       use on overhead projector; demos random
       motion of molecules; diffusion of gas,
       Brownianmotion; Boyles and Charles Laws;          Sargent Welch
 81                                                                        2                                                                               273.84          15583410
       States of matter; changes of state; includes      #WL1710M
       different types of balls, disks represent smoke
       particles, barrier for demo of diffusion and
       confinement;complete study guide

       Solar Hydrogen Fuel Cell Technology Kit; 36       Fisher                                 As Specified
 82                                                                        3       184.19
       different experiments; includes instruction books #CVS64254                                     page 347

       Gas Chromatography System Package +
       additional required items; includes CERA gas
       chromatograph, software, Carbowax 20M             Sargent Welch
 83                                                                        1
       column, etc, Extra items: Lab Data Acquisition    #WLS-18893-10
       Interface, Helium Lecture Bottle and Helium
       Pressure Regulator

                                                         Sargent Welch                          S19347
 84    Thin Layered Chromatography Set                                     2       83.69                                                                   99.04           15595282
                                                         #WLS-1893201                                     page 342




                                                                                                                                         Page 20 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                    NEBRASKA SCIENTIFIC                    SARGENT-WELCH                      SCIENCE KIT & BOREAL                SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                  LABORATORIES                                                        SCIENCE EST.
                                                                                 Unit                             Unit                                      Unit                               Unit                             Unit
Item                     Description                       Bid or Equal   Qty.          Price   Brand and Model          Price     Brand and Model                 Price     Brand and Model          Price   Brand and Model          Price   Brand and Model

       Spectrophotometer; spectronic 20D+; LED;
 74                                                      Flinn #AP1001     3                                       1,025.00               S75415-20A         1,095.00            SK66096-00      660.00        UNICO 110 RS      1,095.00          14-5551
       wavelength 340 to 950 nm


 75    Cuvettes 1/2" square                              Flinn #AP1083     3                                        160.99                S754156-25          175.00             SK64049-02


 76    Spectrophotometer; wavelength 340 to 900 nm       Flinn #AP8685     8                                        825.00                  S75455            589.28             SK45240-00      660.00        UNICO 1100 RS

                                                                                                                                                                           *SK we offer:
       Magnetic stirrer; stirring speed 350 to 2000 rpm;                                                                          S76502-C
 77                                                      Flinn #AP6067     7                                        83.48                                     138.88       47769-00
       143 x 143 x 66;                                                                                                               offer page 1259
                                                                                                                                                                                  (page 804)

       Magnetic Stirrer/Hot Plate; Thermolyme
 78    Cmarec; 4 x 4; adjustable stirring speed; max     Flinn #AP5900    13                                        223.12                S41059-04
       temp. 538 degrees C

       Magnetic Stirrer/Hot Plate; Thermolyme                                                                                                                              *SK we offer:
 79    Cmarec; 7 x 7; adjustable stirring speed; max     Flinn #AP1087     2                                        244.34                S41059-06           354.32         62084-01
       temp. 538 degrees C                                                                                                                                                        (page 804)


       Hands-On Exploration of Inorganic Compounds
       Instructors Set; includes various balls of sizes Fisher
 80                                                                        1
       and colors representing various compounds;       #CDS19398
       totals 370 balls; total number of components 520

       Molecular Motion Demonstrator; designed for
       use on overhead projector; demos random
       motion of molecules; diffusion of gas,
       Brownianmotion; Boyles and Charles Laws;          Sargent Welch
 81                                                                        2                                        272.41                As Specified
       States of matter; changes of state; includes      #WL1710M
       different types of balls, disks represent smoke
       particles, barrier for demo of diffusion and
       confinement;complete study guide

       Solar Hydrogen Fuel Cell Technology Kit; 36       Fisher                                                                  2149 E
 82                                                                        3                                      198.72 / st
       different experiments; includes instruction books #CVS64254                                                                         offer page 730

       Gas Chromatography System Package +                                                                                       As Specified
                                                                                                                  2560.99
       additional required items; includes CERA gas                                                                               Lab Data Acquisition
       chromatograph, software, Carbowax 20M             Sargent Welch                                                            S18893-20
 83                                                                        1                                      814.39
       column, etc, Extra items: Lab Data Acquisition    #WLS-18893-10                                                            Helium S37305
                                                                                                                   133.00
       Interface, Helium Lecture Bottle and Helium                                                                               Regulator S37411-40
                                                                                                                    340.00
       Pressure Regulator                                                                                                         Kit item you also need

                                                         Sargent Welch
 84    Thin Layered Chromatography Set                                     2                                        101.48                As Specified
                                                         #WLS-1893201




                                                                                                                                          Page 21 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                       DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                Unit                        Unit                              Unit                                 Unit                             Unit
Item                     Description                        Bid or Equal   Qty.   Price   Brand and Model       Price     Brand and Model            Price    Brand and Model             Price   Brand and Model          Price      Brand and Model
                                       MICROSCOPE / ACCESSORIES
       Nikon Photomicrographic Camera; complete
       with microscope Adapter; auto and manual
                                                         Carolina
 85    shutter controls, speeds from 1/2000 to 30s; auto                    1                                                                   570.00           As Specified
                                                         #RG603290
       film speed setting of DX-coated films; split
       image viewfinder

       Video Flex Discovery System 7600; Complete
                                                                                                                        Aquatic Ecosys.                                                                                            TB 23355
 86    package including microscope, adapter lenses,      Frey #15575698    7                                1,592.00                          1,100.75          CBS 59-5654                                         1,073.00
                                                                                                                               #VF7600                                                                                                        page 31
       cables, and carrying case.

       Video Flex Microvideo Camera with 90 deg.
       Fixed angle head; 400 line esolution; 50x          Wards                                                         Aquatic Ecosys.
 87                                                                         1                                 476.00                            535.50        Ken-A-Vision 2100
       magnification.                                     #25W3650                                                             #VF2100


       Battery Pack for Video Flex Microvideo Camera Wards                                                              Aquatic Ecosys.
 88                                                                         1                                 72.00
       fits bid item #87                             #25W3654                                                                  #VFBAT

       Carrying Case for Video Flex Microvideo            Wards                                                         Aquatic Ecosys.
 89                                                                         1                                 79.00                             126.00       Ken-A-Vision VFCASE
       Camera fits bid item #87                           #25W3655                                                           #VFCARRY

       Flexcam; teaching camera; package including:
                                                          Carolina                                                      Aquatic Ecosys.
 90    cabinet, accessories; 5 ft and 25 ft cables; 400                     4                                 699.00                            895.50           As Specified
                                                          #RG-59-1742                                                          #VF7260
       lines resolution.

       Bushnel Insta-focus Wide angle Binoculars, 7 x     Wards                                                         Aquatic Ecosys.
 91                                                                         3                                 47.39                             135.90           CSB 60-2610
       35                                                 #25D4523                                                              #B7307

       Compound Microscope: mechanical stage, oil
                                                                                                                                                                                                                                   TB 87751
       immersion, 100x, 40x, 10x, 4x; 10x eyepiece;       Wards                                                         Aquatic Ecosys.
 92                                                                        86                                 409.00                            645.15           CBS 59-1148                                          556.43              See attached
       built-in illuminator; parfocal; 360 degree         #24W2240                                                               #M12
                                                                                                                                                                                                                                        specifications
       rotatable head; dust cover included.

       Compound Light Microscope: mechanical stage,
       rotatable 10x eyepiece; pointer; triple nosepiece;
                                                                                                                                                                                                                                   TB 87673
       parfocal; 4x, 10x, 40x spring loaded objectives; Carolina                                                        Aquatic Ecosys.
 93                                                                        37                                 195.00                            192.72           As Specified                                         157.14                 See attached
       separate coarse and fine adjustment disc           #RG-59-1262                                                         #1109AMI
                                                                                                                                                                                                                                         specifications
       diaphragm; 5 aperture; built-in lluminator; cast
       metal; 360 rotatable head; dust cover included.

       Stereo Microscope: dual magnification; 20x,
                                                                                                                                                                                                                                   TB 87743
       40x; independent left-eyetube focus; rotating      Carolina                                                      Aquatic Ecosys.
 94                                                                        49                                 248.00                            242.00           As Specified                                         213.57                 See attached
       turret; upper & inbase illuminators; dust cover    #RG-59-1823                                                          #1254SH
                                                                                                                                                                                                                                         specifications
       included.

       Optional Eyepiece- Stereo Microscope; 20x
                                                          Carolina                                                      Aquatic Ecosys.                                                                                            TB 87752
 95    converts the 20x x 40x to 40x, 80x; must fit bid                    14                                 42.00                             35.00            As Specified                                         28.57
                                                          #RG-59-2189                                                     #1200-20XSZME                                                                                            See attached specifications
       item #94



                                                                                                                              Page 22 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                           FISHER SCIENCE                            FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC                           MARINE WAREHOUSE                          NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                              EDUCATION                                                                                                               AQUARIUM INC.
                                                                                  Unit                                        Unit                              Unit                                         Unit                             Unit
Item                     Description                        Bid or Equal   Qty.          Price      Brand and Model                  Price   Brand and Model           Price      Brand and Model                   Price   Brand and Model          Price      Brand and Model
                                       MICROSCOPE / ACCESSORIES
       Nikon Photomicrographic Camera; complete
       with microscope Adapter; auto and manual
                                                         Carolina
 85    shutter controls, speeds from 1/2000 to 30s; auto                    1
                                                         #RG603290
       film speed setting of DX-coated films; split
       image viewfinder

       Video Flex Discovery System 7600; Complete
                                                                                                 S19572                                                                        As Specified
 86    package including microscope, adapter lenses,      Frey #15575698    7       752.91                                                                       1,533.00                                                                       807.47               Z18211M
                                                                                                     page 59 (No Micro)                                                                       (with Micro)
       cables, and carrying case.

       Video Flex Microvideo Camera with 90 deg.                                                 S19574 page 59         500
       Fixed angle head; 400 line esolution; 50x          Wards                                  Line                 7200
 87                                                                         1       508.72                                                                                                                                                      394.14               Z16848M
       magnification.                                     #25W3650                                series replaces    model
                                                                                                           specified

       Battery Pack for Video Flex Microvideo Camera Wards                                        S19580
 88                                                                         1       62.79                                                                                                                                                       67.50                Z15564M
       fits bid item #87                             #25W3654                                              page 58

       Carrying Case for Video Flex Microvideo            Wards                                   **This item is included
 89                                                                         1
       Camera fits bid item #87                           #25W3655                                    with Item # 87

       Flexcam; teaching camera; package including:
                                                          Carolina                                S1913810
 90    cabinet, accessories; 5 ft and 25 ft cables; 400                     4       659.30                                                                        519.12               15585915
                                                          #RG-59-1742                                    page 57
       lines resolution.
                                                                                                  S18787
       Bushnel Insta-focus Wide angle Binoculars, 7 x     Wards
 91                                                                         3       93.43        page 247 Selsi #1128 /
       35                                                 #25D4523
                                                                                                            7 x 35
       Compound Microscope: mechanical stage, oil                                                S65316
       immersion, 100x, 40x, 10x, 4x; 10x eyepiece;       Wards                                     page 35                                                                                                                                                  SB26446M
 92                                                                        86       348.84             United # UNICO                                                                                                                           500.00
       built-in illuminator; parfocal; 360 degree         #24W2240                                                                                                                                                                                           See attached specifications
       rotatable head; dust cover included.                                                      M250
                                                                                                         Binocular
       Compound Light Microscope: mechanical stage,
       rotatable 10x eyepiece; pointer; triple nosepiece;
                                                                                                 S1931OS
       parfocal; 4x, 10x, 40x spring loaded objectives; Carolina
 93                                                                        37       111.63        page 30                                                         167.16               15578684
       separate coarse and fine adjustment disc           #RG-59-1262
                                                                                                   Speed Fair # C-45L
       diaphragm; 5 aperture; built-in lluminator; cast
       metal; 360 rotatable head; dust cover included.

       Stereo Microscope: dual magnification; 20x,
       40x; independent left-eyetube focus; rotating      Carolina                                S197673 page 47                                                                                                                                             SB25265M
 94                                                                        49       127.91                                                                                                                                                      185.00
       turret; upper & inbase illuminators; dust cover    #RG-59-1823                            Speed Fair # ST-30C-2L                                                                                                                                      See attached specifications
       included.

       Optional Eyepiece- Stereo Microscope; 20x
                                                          Carolina
 95    converts the 20x x 40x to 40x, 80x; must fit bid                    14
                                                          #RG-59-2189
       item #94



                                                                                                                                                Page 23 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                     NEBRASKA SCIENTIFIC                                SARGENT-WELCH                    SCIENCE KIT & BOREAL                SEO ENTERPRISES INC.               WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                             LABORATORIES                                                          SCIENCE EST.
                                                                                  Unit                                         Unit                                    Unit                               Unit                               Unit
Item                     Description                        Bid or Equal   Qty.          Price      Brand and Model                   Price     Brand and Model               Price     Brand and Model          Price    Brand and Model           Price   Brand and Model
                                       MICROSCOPE / ACCESSORIES
       Nikon Photomicrographic Camera; complete
       with microscope Adapter; auto and manual
                                                         Carolina
 85    shutter controls, speeds from 1/2000 to 30s; auto                    1
                                                         #RG603290
       film speed setting of DX-coated films; split
       image viewfinder

       Video Flex Discovery System 7600; Complete
                                                                                                   KEN-A-VISION                                                                                                          VIDEO FLEX 7600
 86    package including microscope, adapter lenses,      Frey #15575698    7      1,289.90                                      782.00                  S68856                                             802.90                            1,652.00      25-3625 and 24-2141
                                                                                                 VF7600 with T-3300DV                                                                                                         AS SPEC.
       cables, and carrying case.

       Video Flex Microvideo Camera with 90 deg.
       Fixed angle head; 400 line esolution; 50x          Wards                                  KEN-A-VISION                                 S68850                                                                     VIDEO FLEX 2100
 87                                                                         1       449.00                                       369.00                                                                     419.00                             589.00          As Specified
       magnification.                                     #25W3650                                     VF 2100                                     see page 321                                                               AS SPEC.


       Battery Pack for Video Flex Microvideo Camera Wards                                       KEN-A-VISION                                                                                                              KEN-A-VISION
 88                                                                         1       72.50                                        59.50             MISC-253654                                              56.00                              70.00           As Specified
       fits bid item #87                             #25W3654                                            VF                                                                                                                  BATTERY

       Carrying Case for Video Flex Microvideo            Wards                                  KEN-A-VISION
 89                                                                         1       88.90                                        119.00            MISC-253655                                              110.00       KEN-A-VISION CASE     103.30          As Specified
       Camera fits bid item #87                           #25W3655                                    VF CARRY

       Flexcam; teaching camera; package including:                                              ALTERNATE
                                                          Carolina
 90    cabinet, accessories; 5 ft and 25 ft cables; 400                     4       698.90       KEN-A-VISION                    659.00                 S68260-A         859.68            SK57893-02       626.00         FLEXCAM 7300        886.50            25-3600
                                                          #RG-59-1742
       lines resolution.                                                                               VF 7300

       Bushnel Insta-focus Wide angle Binoculars, 7 x     Wards                                                                               3750 F
 91                                                                         3                                                    24.75                                                                                                         52.10           As Specified
       35                                                 #25D4523                                                                                     see page 422

       Compound Microscope: mechanical stage, oil
                                                                                                                                                                                      *SK we offer:
       immersion, 100x, 40x, 10x, 4x; 10x eyepiece;       Wards                                  KEN-A-VISION                                 S48150-14                                                   263.00     UNIQUE 802 MONOC
 92                                                                        86       479.89                                       458.00                                  599.95       57441-00                                                 620.00          As Specified
       built-in illuminator; parfocal; 360 degree         #24W2240                                          T 3300                               offer see page 313                                           196.00    ALT: UNIQUE 402
                                                                                                                                                                                             (page 42)
       rotatable head; dust cover included.

       Compound Light Microscope: mechanical stage,
       rotatable 10x eyepiece; pointer; triple nosepiece;
       parfocal; 4x, 10x, 40x spring loaded objectives; Carolina                                 WALTER                                       S48149-33
 93                                                                        37       229.90                                       146.00                                  203.10            SK55841-22       103.80           UNIQUE 302        150.00            24-2310
       separate coarse and fine adjustment disc           #RG-59-1262                                 WA 3000F-100                               offer see page 311
       diaphragm; 5 aperture; built-in lluminator; cast
       metal; 360 rotatable head; dust cover included.

       Stereo Microscope: dual magnification; 20x,
                                                                                                                                                                                      *SK we offer:
       40x; independent left-eyetube focus; rotating      Carolina                               KEN-A-VISION                                  S48149-58
 94                                                                        49       231.55                                       174.00                                  188.32        55728-03             156.00        UNIQUE 1300-2040     200.00            24-4602
       turret; upper & inbase illuminators; dust cover    #RG-59-1823                                   T-2204                                     offer page 316
                                                                                                                                                                                            (page 45)
       included.

       Optional Eyepiece- Stereo Microscope; 20x                                                  KEN-A-VISION
                                                          Carolina                79.00                                                                                                                                  103-20xWF
 95    converts the 20x x 40x to 40x, 80x; must fit bid                    14                     SC5EP20                                                                                                   22.00
                                                          #RG-59-2189              per pair                                                                                                                                KEN-A-VISION
       item #94                                                                                    (sold only in a set of 2)



                                                                                                                                                       Page 24 of 73
          Bid # 2002-29
           Science Supplies & Equipment
               Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                               Unit                        Unit                           Unit                             Unit                             Unit
Item                    Description                        Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price      Brand and Model
       Digital Microscope: 10x eyepiece; 4x, 10x, 40x,
       100x oil immersion objectives; mechanical                                                                                                                                                                           TB 87753
                                                         Carolina
 96    stage; in-base illumination; Windows 98                            18                                                                738.30         As Specified                                       630.69                 See attached
                                                         #RG-59-1270
       compatible software; USB cable included; dust                                                                                                                                                                             specifications
       cover and instructions included.

       Brock Magiscope; Model #70; fine                                                                                                                                                                                    TB 12011
 97                                                      AIMS #3025       13                                                                109.15         CBS 59-4911                                        104.89
       adjustment                                                                                                                                                                                                                     page 24

       Intel QX3 Computer Microscope- School
 98                                                      Frey #15593140   12                                                                143.96         CBS 41-8649
       Edition Package

       MicroCam Video Camera/Microscope- package;
                                                    Carolina
 99    includes microcam with 1x, 50x, 200x lenses;                        3                                                                835.00         As Specified
                                                    #RG-591794
       stage/cradle; sample lessons included;

    Mobile Microscope Storage Cabinet; solid oak;
                                                         Carolina
100 sliding doors; Heavy duty casters (with brakes);                       4                                                                810.35         As Specified
                                                         #CE705165
    48 x 24 x 40 inches; holds 24 microscopes


    Microscope Maintenance Kit- includes manual,
    lens cleaning solution, lens paper, grease, 6 piece Fisher
101                                                                        3
    screwdriver set, medium screwdriver with 5 bits, #CDS11095
    allen key set, pliers and precision tweezers


    Digital Video Microscope; 10 x eyepiece, 45 deg
                                                                                                                                                                                                                           TB 87754
    angle monocular head, objective lens 4, 10,
102                                                 Flinn #MS1063          1                                                                                                                                  999.20             See attached
    40,100, incandescent lighting, composite video
                                                                                                                                                                                                                                specifications
    and USB digital output signal; Model MS1063

    Microscope- free polarizing kit; all glass coated
    lenses; 10x Huygenian eyepiece; rotating nose
    piece with 4x, 10x, 20x objectives; inclined         Boreal Lab
103                                                                       45
    head, built-in mirror or battery powered             #55400-00
    illuminator; substage disc diaphragm including
    blue filters, rack and pinion focusing.

                                       ENVIRONMENTAL SCIENCE
    Solar Panel- DC jack adapter; 4.5" x 3.75";
104 power C size batteries or smaller; multiple          Flinn #AP4697     3
    adapter tips




                                                                                                                          Page 25 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                          FISHER SCIENCE                         FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                          NASCO
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                                AQUARIUM INC.
                                                                                 Unit                                     Unit                              Unit                             Unit                             Unit
Item                    Description                        Bid or Equal   Qty.          Price      Brand and Model               Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price      Brand and Model
       Digital Microscope: 10x eyepiece; 4x, 10x, 40x,
       100x oil immersion objectives; mechanical
                                                         Carolina                                  S65500 page 58
 96    stage; in-base illumination; Windows 98                            18       620.93
                                                         #RG-59-1270                            Kenavision # T-1952 KAV
       compatible software; USB cable included; dust
       cover and instructions included.

       Brock Magiscope; Model #70; fine                                                          S19709-4
 97                                                      AIMS #3025       13       88.26                                                                                                                                        91.75               SB30103M
       adjustment                                                                                       page 26

       Intel QX3 Computer Microscope- School
 98                                                      Frey #15593140   12       111.59                S66007                                               133.56         As Specified
       Edition Package

       MicroCam Video Camera/Microscope- package;
                                                    Carolina
 99    includes microcam with 1x, 50x, 200x lenses;                        3
                                                    #RG-591794
       stage/cradle; sample lessons included;

                                                                                                                                                                                                                                             Z10256M
    Mobile Microscope Storage Cabinet; solid oak;                                               SF9500MF page 938
                                                         Carolina                                                                                                                                                                                  All or none to one
100 sliding doors; Heavy duty casters (with brakes);                       4       704.26         Dock to Dock                                                                                                                  647.39
                                                         #CE705165                                                                                                                                                                            location. 8 - 10 weeks
    48 x 24 x 40 inches; holds 24 microscopes                                                        delivery only
                                                                                                                                                                                                                                                  tailgate delivery

    Microscope Maintenance Kit- includes manual,
    lens cleaning solution, lens paper, grease, 6 piece Fisher                                  As specified
101                                                                        3       65.87
    screwdriver set, medium screwdriver with 5 bits, #CDS11095                                            page 73
    allen key set, pliers and precision tweezers


    Digital Video Microscope; 10 x eyepiece, 45 deg
    angle monocular head, objective lens 4, 10,                                                  S65500 page 58
102                                                 Flinn #MS1063          1       620.93                                  1,243.20        As Specified
    40,100, incandescent lighting, composite video                                              Kenavision # T-1952 KAV
    and USB digital output signal; Model MS1063

    Microscope- free polarizing kit; all glass coated
    lenses; 10x Huygenian eyepiece; rotating nose
    piece with 4x, 10x, 20x objectives; inclined         Boreal Lab
103                                                                       45
    head, built-in mirror or battery powered             #55400-00
    illuminator; substage disc diaphragm including
    blue filters, rack and pinion focusing.

                                       ENVIRONMENTAL SCIENCE
    Solar Panel- DC jack adapter; 4.5" x 3.75";
104 power C size batteries or smaller; multiple          Flinn #AP4697     3                                               34.9933         As Specified
    adapter tips




                                                                                                                                            Page 26 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                    NEBRASKA SCIENTIFIC                            SARGENT-WELCH                     SCIENCE KIT & BOREAL                 SEO ENTERPRISES INC.               WARD'S NATURAL
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                         LABORATORIES                                                           SCIENCE EST.
                                                                                 Unit                                     Unit                                     Unit                                Unit                               Unit
Item                    Description                        Bid or Equal   Qty.          Price     Brand and Model                Price      Brand and Model               Price     Brand and Model           Price     Brand and Model          Price   Brand and Model
       Digital Microscope: 10x eyepiece; 4x, 10x, 40x,
       100x oil immersion objectives; mechanical                                                                                                                                     *SK we offer:
                                                         Carolina                               KEN-A-VISION                             S48149-DB                                                                     T1952
 96    stage; in-base illumination; Windows 98                            18       648.90                                   525.00                                   527.72       57900-01 w/ 55842      516.50                             525.00           24-0510
                                                         #RG-59-1270                                  T-1952                                 offer page 320                                                               KEN-A-VISION
       compatible software; USB cable included; dust                                                                                                                                     (page 18)
       cover and instructions included.

       Brock Magiscope; Model #70; fine                                                                                                                                           SK55403-00
 97                                                      AIMS #3025       13       82.50              BROCK 70              92.00               S48152-87            65.45                               85.00              AS SPEC.
       adjustment                                                                                                                                                                     (see page 35)

       Intel QX3 Computer Microscope- School                                                     INTEL QX3
 98                                                      Frey #15593140   12       119.96
       Edition Package                                                                               AZ-55-2000

       MicroCam Video Camera/Microscope- package;
                                                    Carolina                                                                                                                                                          SCALAR-USB-CAM
 99    includes microcam with 1x, 50x, 200x lenses;                        3                                                                                                                             694.00                             690.00           25-3675
                                                    #RG-591794                                                                                                                                                              AS SPEC.
       stage/cradle; sample lessons included;

    Mobile Microscope Storage Cabinet; solid oak;                                                                                         S79453-10                               *SK we offer:
                                                         Carolina
100 sliding doors; Heavy duty casters (with brakes);                       4                                                965.00       offer page 1264, holds      825.93        13839-00                                                 950.00           30-9542
                                                         #CE705165
    48 x 24 x 40 inches; holds 24 microscopes                                                                                                   16 microscopes                         (page 851)


    Microscope Maintenance Kit- includes manual,
    lens cleaning solution, lens paper, grease, 6 piece Fisher                                                                            S57780
101                                                                        3                                                74.00
    screwdriver set, medium screwdriver with 5 bits, #CDS11095                                                                                offer page 328
    allen key set, pliers and precision tweezers


    Digital Video Microscope; 10 x eyepiece, 45 deg                                                                                      S48149-DB
                                                                                                                                                                                                                      KEN-A-VISION
    angle monocular head, objective lens 4, 10,                                                 KEN-A-VISION                                offer page 320, same                  SK57900-05
102                                                 Flinn #MS1063          1       975.50                                   525.00                                   657.36                              841.00       T-1953
    40,100, incandescent lighting, composite video                                                     T-1953                                            as Item                       (see page 19)
                                                                                                                                                                                                                             AS SPEC.
    and USB digital output signal; Model MS1063                                                                                                     96

    Microscope- free polarizing kit; all glass coated
    lenses; 10x Huygenian eyepiece; rotating nose                                               ALTERNATE
    piece with 4x, 10x, 20x objectives; inclined         Boreal Lab                             KEN-A-VISION T-1200
103                                                                       45       81.00                                    76.08             MISC-5540000           66.87              As Specified     75.00               1201 N
    head, built-in mirror or battery powered             #55400-00                                4x, 10x, 40x mirror
    illuminator; substage disc diaphragm including                                                     no blue - filter
    blue filters, rack and pinion focusing.

                                       ENVIRONMENTAL SCIENCE
    Solar Panel- DC jack adapter; 4.5" x 3.75";
104 power C size batteries or smaller; multiple          Flinn #AP4697     3
    adapter tips




                                                                                                                                                Page 27 of 73
          Bid # 2002-29
           Science Supplies & Equipment
               Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS               CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                               Unit                        Unit                             Unit                             Unit                             Unit
Item                    Description                        Bid or Equal   Qty.   Price   Brand and Model       Price    Brand and Model            Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
    Bioquest Enviro-tank Deluxe Kit- environ-tank,
    soil set, live plant set (coupon), live animal set
    (coupon), macroinvertebrate set (coupon); 5lbs
                                                        NASCO
105 aquarium gravel, chlorine remover, extra sponge                        1
                                                        #SB29331M
    filter, pump with filter, light strip with 2 lamps,
    20 glass aquarium, activity guide, instructions
    and maintenance kit

       Salinity Refractometer; range 0 to 28% NaCl;      Carolina                                                      Aquatic Ecosys.
106                                                                        4                                 96.00                            179.10         As Specified
       resolution 0.2% accuracy +/- 0.5%                 #RG-65-2382                                                           #SR3

    Microprocessor Benchtop Meter; reads pH,         Fisher
107 millivolts and temperature with pH electrode and #CDS60013EC +
    ATC probe.                                       electrode & probe

    Air Pollution Detection Set #2; tests for
                                                         Sargent Welch
108 ammonia, chlorine, carbon monoxide, hydrogen                           1
                                                         #WL9717M
    sulfide, nitrogen dioxide and sulfur dioxide


    Air Sampling Pump; portable, flowmeter,              Sargent Welch
109 designed for use with Air Pollution Detection        #WL9717V +        1
    Set #2 (item 157 above), includes AC Adapter         AC Adapter

                                                 EARTH / SPACE
    Tectonics Demonstration Model; includes color
                                                                                                                                                                                                                             TB 41052
110 sand, demos formation folds, faults, rift valleys,   Frey #15577573    3                                                                                                                                    103.10
                                                                                                                                                                                                                                        page 79
    compression, erosion and Earth movements

    Rock Cycle Model Activity Set; transparent,
                                                         NASCO
111 markable, activity guide included; 20 rock and                         1
                                                         #SA02829M
    sediment specimens.

       Stereoscope Set; include one student              NASCO
112                                                                       30
       stereoscope and stereogram book of contours.      #SB33676M

    Orbital Planetarium - manually operated;
    demonstrates phases, eclipses, transparent night
    hemisphere indicates night and day; 6" diameter                                                                                                                                                                          TB 21579
113                                                      Frey #15322573    2                                                                                                                                    155.19
    sun, 4" earth, with calendar on base; planets                                                                                                                                                                                       page 119
    illustrated on arm in relative size; lesson plan
    included




                                                                                                                            Page 28 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                          FISHER SCIENCE                    FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                           AQUARIUM INC.
                                                                                 Unit                                Unit                              Unit                             Unit                             Unit
Item                    Description                        Bid or Equal   Qty.          Price     Brand and Model           Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
    Bioquest Enviro-tank Deluxe Kit- environ-tank,
    soil set, live plant set (coupon), live animal set
    (coupon), macroinvertebrate set (coupon); 5lbs
                                                        NASCO
105 aquarium gravel, chlorine remover, extra sponge                        1                                                                                                                                               296.55         As Specified
                                                        #SB29331M
    filter, pump with filter, light strip with 2 lamps,
    20 glass aquarium, activity guide, instructions
    and maintenance kit

       Salinity Refractometer; range 0 to 28% NaCl;      Carolina
106                                                                        4
       resolution 0.2% accuracy +/- 0.5%                 #RG-65-2382

    Microprocessor Benchtop Meter; reads pH,         Fisher
                                                                                                As Specified
107 millivolts and temperature with pH electrode and #CDS60013EC +                 233.02
                                                                                                        page 393
    ATC probe.                                       electrode & probe

    Air Pollution Detection Set #2; tests for
                                                         Sargent Welch                          S19482
108 ammonia, chlorine, carbon monoxide, hydrogen                           1       470.93
                                                         #WL9717M                                        page 524
    sulfide, nitrogen dioxide and sulfur dioxide


    Air Sampling Pump; portable, flowmeter,              Sargent Welch
109 designed for use with Air Pollution Detection        #WL9717V +        1       443.52                S19484
    Set #2 (item 157 above), includes AC Adapter         AC Adapter

                                                 EARTH / SPACE
    Tectonics Demonstration Model; includes color
                                                                                                S65137
110 sand, demos formation folds, faults, rift valleys,   Frey #15577573    3       83.10                                                                 109.16         As Specified
                                                                                                          page 474
    compression, erosion and Earth movements

    Rock Cycle Model Activity Set; transparent,
                                                         NASCO
111 markable, activity guide included; 20 rock and                         1                                                                                                                                               69.91          As Specified
                                                         #SA02829M
    sediment specimens.

       Stereoscope Set; include one student              NASCO                    106.00          S53026A page 538
112                                                                       30                                                                                                                                             10.16 / set      As Specified
       stereoscope and stereogram book of contours.      #SB33676M               pk/10 kits         Hubbard # 3041

    Orbital Planetarium - manually operated;
    demonstrates phases, eclipses, transparent night
    hemisphere indicates night and day; 6" diameter                                             S45169
113                                                      Frey #15322573    2       85.70                                                                 116.55         As Specified                                       94.88           SA02870M
    sun, 4" earth, with calendar on base; planets                                                         page 490
    illustrated on arm in relative size; lesson plan
    included




                                                                                                                                       Page 29 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                    NEBRASKA SCIENTIFIC                    SARGENT-WELCH                       SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                   LABORATORIES                                                      SCIENCE EST.
                                                                                 Unit                             Unit                                       Unit                             Unit                             Unit
Item                    Description                        Bid or Equal   Qty.          Price   Brand and Model          Price     Brand and Model                  Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
    Bioquest Enviro-tank Deluxe Kit- environ-tank,
    soil set, live plant set (coupon), live animal set
    (coupon), macroinvertebrate set (coupon); 5lbs
                                                        NASCO
105 aquarium gravel, chlorine remover, extra sponge                        1
                                                        #SB29331M
    filter, pump with filter, light strip with 2 lamps,
    20 glass aquarium, activity guide, instructions
    and maintenance kit

       Salinity Refractometer; range 0 to 28% NaCl;      Carolina                                                                 55680-417
106                                                                        4                                        123.45                                     145.60         SK46610-00                                         136.50           25-4546
       resolution 0.2% accuracy +/- 0.5%                 #RG-65-2382                                                                offer, see attached

    Microprocessor Benchtop Meter; reads pH,         Fisher
107 millivolts and temperature with pH electrode and #CDS60013EC +                                                  315.00               34100-100
    ATC probe.                                       electrode & probe

    Air Pollution Detection Set #2; tests for
                                                         Sargent Welch
108 ammonia, chlorine, carbon monoxide, hydrogen                           1                                        552.06              As Specified
                                                         #WL9717M
    sulfide, nitrogen dioxide and sulfur dioxide


    Air Sampling Pump; portable, flowmeter,              Sargent Welch
109 designed for use with Air Pollution Detection        #WL9717V +        1                                        465.79        [ 9717V + 9717V-AC ]
    Set #2 (item 157 above), includes AC Adapter         AC Adapter

                                                 EARTH / SPACE
    Tectonics Demonstration Model; includes color
110 sand, demos formation folds, faults, rift valleys,   Frey #15577573    3                                                                                                                                                     90.30            80-0253
    compression, erosion and Earth movements

    Rock Cycle Model Activity Set; transparent,
                                                         NASCO
111 markable, activity guide included; 20 rock and                         1                                        72.95                  7075F               95.79          SK69022-00                                         91.90            80-5520
                                                         #SA02829M
    sediment specimens.

       Stereoscope Set; include one student              NASCO                                                    100.95         [ 6891 + 6891C ]
112                                                                       30
       stereoscope and stereogram book of contours.      #SB33676M                                                  per 10         offer for ten at a time

    Orbital Planetarium - manually operated;
    demonstrates phases, eclipses, transparent night
    hemisphere indicates night and day; 6" diameter                                                                              6879
113                                                      Frey #15322573    2                                        99.43                                                                                                        125.25           80-8201
    sun, 4" earth, with calendar on base; planets                                                                                       offer page 434
    illustrated on arm in relative size; lesson plan
    included




                                                                                                                                         Page 30 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                  ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                 Unit                        Unit                           Unit                             Unit                             Unit
Item                     Description                         Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model

       Hand-driven Illuminated Planetarium; gear and                                                                                                                                                                         TB 21579
114                                                        Flinn #AP5135     1                                                                                                                                  155.19
       chain driven; includes reference; AC                                                                                                                                                                                             page 119


       Groundwater Exploration Activity Model;
115                                                        Flinn #AP5205     3
       includes electric pump

                                                           PHYSICS
    Sine Wave Apparatus- 2 plastic profiles on
                                                           Carolina
116 wooden base; demo for constructive and                                   1                                                                156.75         As Specified
                                                           #RG-75-4131
    destructive interference

       Simple Machines Kit- Neo-science for 40             Carolina                                                                                                                                                          TB 41952
117                                                                          3                                                                94.95          As Specified                                       74.36
       students                                            #RG-75-1130                                                                                                                                                                  page 89

       Investigating light & Optics Kit- Neo-Science for Carolina
118                                                                          4                                                                94.95          As Specified
       40 students                                       #RG-75-5020

       Investigating Electricity Kit- Neo-Science for 40   Carolina                                                                                                                                                          TB 41954
119                                                                          3                                                                240.00         As Specified                                       66.49
       students                                            #RG-75-5960                                                                                                                                                                  page 113


       Investigating Force & Motion Kit- Neo-Science                                                                                                                                                                         TB 91072
120                                                        Frey #15577066    4                                                                                                                                  11.98
       for 40 students                                                                                                                                                                                                                  page 91

    Vacuum Pump; single stage, 150 mm Mercury
    (661 Torr); oil less operation, 1/8 hp, gauges, on
121                                                    Frey #15594885        4
    off switch on cord, carrying handle, max
    pressure 60 psi

       Vacuum Pump; 2 stage; .025 mm Hg; pump
122                                                        Flinn #AP1597     2
       speed 1725 rpm 1/2 hp motor

    Vacuum Chamber with Plate; polycarbonate bell
    jar; 6" diameter; 9" tall; vacuum plate;
123 polycarbonate plastic; outside diameter 7.5"; side Flinn #AP4506         5
    mounted tubing adapter; 1/4" I.D. vacuum
    tubing

    Nickel Plated Vacuum Plate; fits bell jars up to
124 10" diameter; barbed hose connection; vacuum           Flinn #AP8618     1
    release valve; rubber gasket included

    Bell Jar; glass; hole in top; molded 1" hole in
125 top; 9.78" outside diameter; 8.5" inside diameter; Flinn #AP1871         2
    15" high; 11 liter capacity




                                                                                                                            Page 31 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                            FISHER SCIENCE                     FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                               EDUCATION                                                                                            AQUARIUM INC.
                                                                                   Unit                                 Unit                              Unit                             Unit                             Unit
Item                     Description                         Bid or Equal   Qty.          Price     Brand and Model            Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model

       Hand-driven Illuminated Planetarium; gear and                                              S45183
114                                                        Flinn #AP5135     1       232.56                               328.32         As Specified                                                                         240.96          SB15349M
       chain driven; includes reference; AC                                                                page 490


       Groundwater Exploration Activity Model;                                                    S45440
115                                                        Flinn #AP5205     3       319.73                              479.9533        As Specified
       includes electric pump                                                                                page 533

                                                           PHYSICS
    Sine Wave Apparatus- 2 plastic profiles on
                                                           Carolina
116 wooden base; demo for constructive and                                   1
                                                           #RG-75-4131
    destructive interference

       Simple Machines Kit- Neo-science for 40             Carolina                               S66044
117                                                                          3       67.12
       students                                            #RG-75-1130                                     page 594

       Investigating light & Optics Kit- Neo-Science for Carolina
118                                                                          4                                                                              800.52          15586068
       40 students                                       #RG-75-5020

       Investigating Electricity Kit- Neo-Science for 40   Carolina                               S66048
119                                                                          3       63.93
       students                                            #RG-75-5960                                      page 656


       Investigating Force & Motion Kit- Neo-Science                                              S66043
120                                                        Frey #15577066    4       67.12                                                                  83.96          As Specified
       for 40 students                                                                                     page 594

    Vacuum Pump; single stage, 150 mm Mercury
    (661 Torr); oil less operation, 1/8 hp, gauges, on
121                                                    Frey #15594885        4       212.73          S63086 page 999                                        268.80         As Specified                                       339.76          Z16266M
    off switch on cord, carrying handle, max
    pressure 60 psi

       Vacuum Pump; 2 stage; .025 mm Hg; pump
122                                                        Flinn #AP1597     2       390.70          S41328F page 998     535.44         As specified       472.92          15562522                                          466.67          SB21238M
       speed 1725 rpm 1/2 hp motor

    Vacuum Chamber with Plate; polycarbonate bell
    jar; 6" diameter; 9" tall; vacuum plate;
123 polycarbonate plastic; outside diameter 7.5"; side Flinn #AP4506         5       52.85         S41381-1 page 1001     88.128         As specified       26.84           15560155
    mounted tubing adapter; 1/4" I.D. vacuum
    tubing

    Nickel Plated Vacuum Plate; fits bell jars up to
124 10" diameter; barbed hose connection; vacuum           Flinn #AP8618     1       154.07         S413301 page 1001     210.58         As specified       176.40          15562519                                          137.50          SB21266M
    release valve; rubber gasket included

    Bell Jar; glass; hole in top; molded 1" hole in
125 top; 9.78" outside diameter; 8.5" inside diameter; Flinn #AP1871         2       92.91          S30968-2 page 862     141.36         As specified
    15" high; 11 liter capacity




                                                                                                                                          Page 32 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                      NEBRASKA SCIENTIFIC                    SARGENT-WELCH                     SCIENCE KIT & BOREAL                  SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                   LABORATORIES                                                          SCIENCE EST.
                                                                                   Unit                             Unit                                     Unit                                 Unit                             Unit
Item                     Description                         Bid or Equal   Qty.          Price   Brand and Model          Price     Brand and Model                Price      Brand and Model           Price   Brand and Model          Price   Brand and Model

       Hand-driven Illuminated Planetarium; gear and                                                                               6876
114                                                        Flinn #AP5135     1                                        394.13                                   320.00             SK63870-05                                         305.00           80-8217
       chain driven; includes reference; AC                                                                                               offer page 434


       Groundwater Exploration Activity Model;
115                                                        Flinn #AP5205     3
       includes electric pump

                                                           PHYSICS
    Sine Wave Apparatus- 2 plastic profiles on
                                                           Carolina
116 wooden base; demo for constructive and                                   1                                                                                 165.44             SK66212-00
                                                           #RG-75-4131
    destructive interference

       Simple Machines Kit- Neo-science for 40             Carolina
117                                                                          3
       students                                            #RG-75-1130

       Investigating light & Optics Kit- Neo-Science for Carolina
118                                                                          4                                                                                1,105.00            SK66513-00
       40 students                                       #RG-75-5020

       Investigating Electricity Kit- Neo-Science for 40   Carolina
119                                                                          3
       students                                            #RG-75-5960


       Investigating Force & Motion Kit- Neo-Science
120                                                        Frey #15577066    4
       for 40 students

    Vacuum Pump; single stage, 150 mm Mercury
    (661 Torr); oil less operation, 1/8 hp, gauges, on
121                                                    Frey #15594885        4                                        244.63               54908-035
    off switch on cord, carrying handle, max
    pressure 60 psi

       Vacuum Pump; 2 stage; .025 mm Hg; pump
122                                                        Flinn #AP1597     2                                        485.00                 S12715            565.00             SK63756-00
       speed 1725 rpm 1/2 hp motor

    Vacuum Chamber with Plate; polycarbonate bell
    jar; 6" diameter; 9" tall; vacuum plate;                                                                                                                                 *SK we offer:
                                                                                                                                   S71811-G
123 polycarbonate plastic; outside diameter 7.5"; side Flinn #AP4506         5                                        60.57                                    79.02        66530-01
                                                                                                                                       offer page 1143
    mounted tubing adapter; 1/4" I.D. vacuum                                                                                                                                         (page 624)
    tubing

    Nickel Plated Vacuum Plate; fits bell jars up to
                                                                                                                                   [ S71818-10 + S7818-20]
124 10" diameter; barbed hose connection; vacuum           Flinn #AP8618     1                                        151.04                                   222.95             SK63836-00
                                                                                                                                          offer page 1231
    release valve; rubber gasket included

    Bell Jar; glass; hole in top; molded 1" hole in
                                                                                                                                                                              w/ stopper
125 top; 9.78" outside diameter; 8.5" inside diameter; Flinn #AP1871         2                                                                                 144.55
                                                                                                                                                                                  SK60650-15
    15" high; 11 liter capacity




                                                                                                                                           Page 33 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                   ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                  Unit                        Unit                           Unit                             Unit                             Unit
Item                     Description                          Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
    Vacuum Tubing; 1/4" inside diameter;
126                                                         Frey #15580749    5
     10ft

       Free fall Apparatus; break resistant acrylic tube;
       26" long x 11/2" diameter; expansion plugs;          Carolina
127                                                                           3                                                                165.60         As Specified
       metal disc, feather, stopcock or vacuum              #CE75-3062
       connection; tripod base


    Solid State Induction Coil- 3" spark; slideable
                                                            Carolina
128 rod; adjustable gap; polarity reversing switch;                           1                                                                339.60         As Specified
                                                            #RG-75-8645
    115 VAC


    Tangent Galvanometer- 30 base; large easy to
                                                            Sargent Welch
129 read compass; 3.35 cm of standard copper wire:                            8
                                                            #CP30167-00
    alligator clips: instructions

       Force Table- 40 cm diameter; 4 pulleys,      4       Carolina
130                                                                           1                                                                275.00         As Specified
       hangers, 4 slotted weight sets                       #RG-75-2121

       Telsa Coil- 50,000 volt potential; 110 volt 60       NASCO
131                                                                           1
       cycle AC                                             #SB28821M
       High Strength Magnetizer; electric; 2 21/2 cm x
       21/2 cm holes; 1 polarized North, 1 South;           Fisher
132                                                                           9
       accepts most bar or horseshoe magnets; on/off        #CDS43026
       and magnetizing switches; pilot light

       Air Core Solenoid; 550 turns; 5 amps                 Carolina
133                                                                           1                                                                78.80          As Specified
       continuous, 6.0 cm inner diameter                    #RG758752

    Electromagnet Kit; includes 2 coils on plastic
    spools, a U-Shaped iron core, a straight iron    Carolina
134                                                                          30                                                                18.45          As Specified
    core, 2 magnetic compasses, and a pair of wires: #RG758665
    includes a plastic storage case and instructions

    Ferrofluid Adventure Science Kit; includes: 2, 5-
    mL transfer pipettes; 3-mL syringe; 2 blue button
    magnets; powerful ring Magnet; letter "A"         Carolina
135                                                                          19                                                                49.80          As Specified
    magnet; 5 aluminum dishes; sealed display cell; #RG758205
    50-mL Bottle EFH1 Ferrofluid; Pair of
    latexgloves

       Solar Panels- Max V=6, Max mA=220;                   Sargent Welch
136                                                                          10
       5" x 5"                                              #WL738B




                                                                                                                             Page 34 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                             FISHER SCIENCE                          FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                EDUCATION                                                                                                 AQUARIUM INC.
                                                                                    Unit                                      Unit                              Unit                             Unit                             Unit
Item                     Description                          Bid or Equal   Qty.          Price       Brand and Model               Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
                                                                                                   S50454 page 1050
    Vacuum Tubing; 1/4" inside diameter;
126                                                         Frey #15580749    5        6.14        12', 1/4", 3/16"                                               10.88          As Specified
     10ft
                                                                                                         Fisher #14-175-C

       Free fall Apparatus; break resistant acrylic tube;
       26" long x 11/2" diameter; expansion plugs;          Carolina                               S40966-5A page 557
127                                                                           3       166.28                                                                      137.72          15590970
       metal disc, feather, stopcock or vacuum              #CE75-3062                             Daedalon Corp. # EM-24
       connection; tripod base


    Solid State Induction Coil- 3" spark; slideable
                                                            Carolina                                S43520
128 rod; adjustable gap; polarity reversing switch;                           1       249.41                                                                      296.52          15583515
                                                            #RG-75-8645                             Electro Technic # 37733
    115 VAC


    Tangent Galvanometer- 30 base; large easy to
                                                            Sargent Welch
129 read compass; 3.35 cm of standard copper wire:                            8       15.07            S52079 page 651
                                                            #CP30167-00
    alligator clips: instructions

       Force Table- 40 cm diameter; 4 pulleys,      4       Carolina                               S40967-1 page 546
130                                                                           1       231.40
       hangers, 4 slotted weight sets                       #RG-75-2121                               Fisher # S409671

       Telsa Coil- 50,000 volt potential; 110 volt 60       NASCO
131                                                                           1       113.95           S43504 page 657                                                                                                              200.00         As Specified
       cycle AC                                             #SB28821M
       High Strength Magnetizer; electric; 2 21/2 cm x
       21/2 cm holes; 1 polarized North, 1 South;           Fisher                                  As specified
132                                                                           9       89.53                                                                                                                                         88.81           SB10815M
       accepts most bar or horseshoe magnets; on/off        #CDS43026                                      page 644
       and magnetizing switches; pilot light

       Air Core Solenoid; 550 turns; 5 amps                 Carolina
133                                                                           1       60.06           S52051-1 page 654
       continuous, 6.0 cm inner diameter                    #RG758752

    Electromagnet Kit; includes 2 coils on plastic
    spools, a U-Shaped iron core, a straight iron    Carolina
134                                                                          30
    core, 2 magnetic compasses, and a pair of wires: #RG758665
    includes a plastic storage case and instructions

    Ferrofluid Adventure Science Kit; includes: 2, 5-
    mL transfer pipettes; 3-mL syringe; 2 blue button
    magnets; powerful ring Magnet; letter "A"         Carolina
135                                                                          19       37.79            S60200 page 645
    magnet; 5 aluminum dishes; sealed display cell; #RG758205
    50-mL Bottle EFH1 Ferrofluid; Pair of
    latexgloves

       Solar Panels- Max V=6, Max mA=220;                   Sargent Welch
136                                                                          10
       5" x 5"                                              #WL738B




                                                                                                                                                Page 35 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                       NEBRASKA SCIENTIFIC                    SARGENT-WELCH                 SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                LABORATORIES                                                      SCIENCE EST.
                                                                                    Unit                             Unit                                 Unit                             Unit                             Unit
Item                     Description                          Bid or Equal   Qty.          Price   Brand and Model          Price     Brand and Model            Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
    Vacuum Tubing; 1/4" inside diameter;                                                                             14.06
126                                                         Frey #15580749    5                                                           S73590 - D
     10ft                                                                                                                / 10 ft

       Free fall Apparatus; break resistant acrylic tube;
       26" long x 11/2" diameter; expansion plugs;          Carolina
127                                                                           3                                        156.79               1534A           153.12         SK62019-00
       metal disc, feather, stopcock or vacuum              #CE75-3062
       connection; tripod base


    Solid State Induction Coil- 3" spark; slideable
                                                            Carolina
128 rod; adjustable gap; polarity reversing switch;                           1                                        231.07            CP30164-00         343.18         SK69628-01
                                                            #RG-75-8645
    115 VAC


    Tangent Galvanometer- 30 base; large easy to
                                                            Sargent Welch
129 read compass; 3.35 cm of standard copper wire:                            8                                         20.18            As Specified
                                                            #CP30167-00
    alligator clips: instructions

       Force Table- 40 cm diameter; 4 pulleys,      4       Carolina                                                                CP74285-10
130                                                                           1                                        418.43
       hangers, 4 slotted weight sets                       #RG-75-2121                                                                 offer page 627

       Telsa Coil- 50,000 volt potential; 110 volt 60       NASCO
131                                                                           1                                        184.07                2390           218.40         SK61157-01
       cycle AC                                             #SB28821M
       High Strength Magnetizer; electric; 2 21/2 cm x
       21/2 cm holes; 1 polarized North, 1 South;           Fisher
132                                                                           9                                        103.57               S44385
       accepts most bar or horseshoe magnets; on/off        #CDS43026
       and magnetizing switches; pilot light

       Air Core Solenoid; 550 turns; 5 amps                 Carolina
133                                                                           1
       continuous, 6.0 cm inner diameter                    #RG758752

    Electromagnet Kit; includes 2 coils on plastic
    spools, a U-Shaped iron core, a straight iron    Carolina
134                                                                          30
    core, 2 magnetic compasses, and a pair of wires: #RG758665
    includes a plastic storage case and instructions

    Ferrofluid Adventure Science Kit; includes: 2, 5-
    mL transfer pipettes; 3-mL syringe; 2 blue button
    magnets; powerful ring Magnet; letter "A"         Carolina
135                                                                          19
    magnet; 5 aluminum dishes; sealed display cell; #RG758205
    50-mL Bottle EFH1 Ferrofluid; Pair of
    latexgloves

       Solar Panels- Max V=6, Max mA=220;                   Sargent Welch
136                                                                          10
       5" x 5"                                              #WL738B




                                                                                                                                          Page 36 of 73
          Bid # 2002-29
           Science Supplies & Equipment
               Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC          AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                               Unit                         Unit                           Unit                             Unit                             Unit
Item                   Description                        Bid or Equal    Qty.   Price    Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
                                                       NASCO
137 Student Force Table                                                    1
                                                       #219337M

       Assembled Van de Graaf generator; 200,00                                                                                                                                                                             TB 16221
138                                                    Frey #15577480      6                                                                                                                                   111.43
       volts: belt lasts avg. 600hrs.                                                                                                                                                                                               page 114


                                                       NASCO
139 Assembled Van de Graaf Generator; 400,00 volts                         2
                                                       #SB14118M

                                                                                                                                                                                                                            TB 21234
140 Discharge Wand                                     Frey #15580003      7                                                                                                                                   40.01
                                                                                                                                                                                                                                       page 114

    Simple Machines Demonstration Set; includes
    50 cm calibrated beam, 3 single and 2 triple
    tandem pulleys; wheel and axle with support
    clamp, metal inclined plane with cylindrical
                                                       Sargent Welch
141 carriage, dial spring scale, 10 piece hooded                           5
                                                       #WL0794A
    weight set, jack screw, 2 wedges, 3 wooden
    cylinders, 2 friction blocks, plus
    accessories,heavy metal base, instructions and
    compartmented storage carton

                                                       Carolina
142 Ferrofluid Display Cell                                               20                                                                 15.50          As Specified
                                                       #RG758207

    Magnets and Magnetism Kit; equipment for up
    to 40 students to covers
    magnetization/demagnetization, differences        Carolina
143                                                                        6                                                                 94.95          As Specified
    between permanent and temporary magnets, how #RG758230
     magnetic poles are defined and labeled, classify
    magnetic and nonmagnetic objects
    Economy Magnet Kit; includes 2 ceramic bar
    magnets, 3 ceramic doughnut magnets, 4 metal
                                                       Carolina                                                                                                                                                             TB 92191
144 squares (1copper, 1 iron, 1 Al, 1 Zinc), pack iron                    22                                                                 15.40          As Specified                                       12.03
                                                       #RG758204                                                                                                                                                                    page 108
    filings; natural lodestone, steel horseshoe
    magnet, 2 magnetic compasses.

                                                       Sargent Welch
145 DC Motor Kit; kit includes 12 sets                                    10
                                                       #WL2454A

    Ring Thrower; creates electromagnetic field to
    repulse a ring into the air; demonstrates AC and
146 DC currents; Ohms Law, Lenz'a Law,                 Frey #15598438      2
    electromagnetism, induction and
    superconductivity; lesson plans included

                                                       Arbor Scientific
147 Tech Teach Kit; complete electricity kit                               2     295.00      Tech Teach                                      133.00         As Specified
                                                       #P62200




                                                                                                                           Page 37 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                          FISHER SCIENCE                         FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                                AQUARIUM INC.
                                                                                 Unit                                     Unit                              Unit                             Unit                             Unit
Item                   Description                        Bid or Equal    Qty.          Price    Brand and Model                 Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
                                                       NASCO
137 Student Force Table                                                    1       64.01         S40967-2 page 546                                                                                                              79.67        NASCO Z19337M
                                                       #219337M

       Assembled Van de Graaf generator; 200,00                                                 S43202 page 659
138                                                    Frey #15577480      6       73.84                                                                      94.96          As Specified
       volts: belt lasts avg. 600hrs.                                                            Science First # 10-065


                                                       NASCO
139 Assembled Van de Graaf Generator; 400,00 volts                         2       310.47         S43207 page 658                                             380.10          15590952                                          346.75         As Specified
                                                       #SB14118M

                                                                                                 S65147 page 658
140 Discharge Wand                                     Frey #15580003      7       44.30                                                                      20.54          As Specified
                                                                                                  Wabash # N-122

    Simple Machines Demonstration Set; includes
    50 cm calibrated beam, 3 single and 2 triple
    tandem pulleys; wheel and axle with support
    clamp, metal inclined plane with cylindrical
                                                       Sargent Welch
141 carriage, dial spring scale, 10 piece hooded                           5      NO BID             Discontinued                                             238.56          15589965
                                                       #WL0794A
    weight set, jack screw, 2 wedges, 3 wooden
    cylinders, 2 friction blocks, plus
    accessories,heavy metal base, instructions and
    compartmented storage carton

                                                       Carolina
142 Ferrofluid Display Cell                                               20
                                                       #RG758207

    Magnets and Magnetism Kit; equipment for up
    to 40 students to covers
    magnetization/demagnetization, differences        Carolina
143                                                                        6       63.93          S66047 page 656
    between permanent and temporary magnets, how #RG758230
     magnetic poles are defined and labeled, classify
    magnetic and nonmagnetic objects
    Economy Magnet Kit; includes 2 ceramic bar
    magnets, 3 ceramic doughnut magnets, 4 metal
                                                       Carolina
144 squares (1copper, 1 iron, 1 Al, 1 Zinc), pack iron                    22       11.56          S65111 page 650
                                                       #RG758204
    filings; natural lodestone, steel horseshoe
    magnet, 2 magnetic compasses.

                                                       Sargent Welch                            S43597 page 655
145 DC Motor Kit; kit includes 12 sets                                    10        2.91                                                                       5.45           15564835
                                                       #WL2454A                                 Science First # 10-135

    Ring Thrower; creates electromagnetic field to
    repulse a ring into the air; demonstrates AC and
146 DC currents; Ohms Law, Lenz'a Law,                 Frey #15598438      2                                                                                  97.40          As Specified
    electromagnetism, induction and
    superconductivity; lesson plans included

                                                       Arbor Scientific
147 Tech Teach Kit; complete electricity kit                               2
                                                       #P62200




                                                                                                                                            Page 38 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                    NEBRASKA SCIENTIFIC                    SARGENT-WELCH                 SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                             LABORATORIES                                                      SCIENCE EST.
                                                                                 Unit                             Unit                                 Unit                             Unit                             Unit
Item                   Description                        Bid or Equal    Qty.          Price   Brand and Model          Price     Brand and Model            Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
                                                       NASCO                                                                      CP32809-00
137 Student Force Table                                                    1                                        76.52
                                                       #219337M                                                                      offer page 626

       Assembled Van de Graaf generator; 200,00
138                                                    Frey #15577480      6
       volts: belt lasts avg. 600hrs.


                                                       NASCO
139 Assembled Van de Graaf Generator; 400,00 volts                         2                                        359.12            CP31030-02         427.20         SK61932-00
                                                       #SB14118M

                                                                                                                                 CP70734-00
140 Discharge Wand                                     Frey #15580003      7                                        51.24
                                                                                                                                      see page 831

    Simple Machines Demonstration Set; includes
    50 cm calibrated beam, 3 single and 2 triple
    tandem pulleys; wheel and axle with support
    clamp, metal inclined plane with cylindrical
                                                       Sargent Welch
141 carriage, dial spring scale, 10 piece hooded                           5                                      465.72 / st         As Specified
                                                       #WL0794A
    weight set, jack screw, 2 wedges, 3 wooden
    cylinders, 2 friction blocks, plus
    accessories,heavy metal base, instructions and
    compartmented storage carton

                                                       Carolina
142 Ferrofluid Display Cell                                               20
                                                       #RG758207

    Magnets and Magnetism Kit; equipment for up
    to 40 students to covers
    magnetization/demagnetization, differences        Carolina
143                                                                        6
    between permanent and temporary magnets, how #RG758230
     magnetic poles are defined and labeled, classify
    magnetic and nonmagnetic objects
    Economy Magnet Kit; includes 2 ceramic bar
    magnets, 3 ceramic doughnut magnets, 4 metal
                                                       Carolina
144 squares (1copper, 1 iron, 1 Al, 1 Zinc), pack iron                    22
                                                       #RG758204
    filings; natural lodestone, steel horseshoe
    magnet, 2 magnetic compasses.

                                                       Sargent Welch                                              36.50
145 DC Motor Kit; kit includes 12 sets                                    10                                                          As Specified
                                                       #WL2454A                                                      / pk 12

    Ring Thrower; creates electromagnetic field to
    repulse a ring into the air; demonstrates AC and
146 DC currents; Ohms Law, Lenz'a Law,                 Frey #15598438      2
    electromagnetism, induction and
    superconductivity; lesson plans included

                                                       Arbor Scientific
147 Tech Teach Kit; complete electricity kit                               2
                                                       #P62200




                                                                                                                                       Page 39 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                   ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                  Unit                        Unit                           Unit                             Unit                             Unit
Item                      Description                         Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model

    Pulleys Wheels & Gears Kit- 55 pages of
                                                            Carolina
148 detailed activities; fixed and moveable pulleys;                          2
                                                            #RG-75-1125
    block and tackle, wheel & axle; gear ratios

       Student Multimeter- .5% DCV accuracy; DC
       current to 10A; resistance .1 to 20 M ohms;          Sargent Welch                                                                                                                                                     TB 92337
149                                                                          13                                                                                                                                  15.64
       diode test; 9 volt batteries, and operating          #WLS-30730-62                                                                                                                                                                page 111
       instructions

       Atomic Mobile Kit- 36 different elements; 3D         Boreal Lab
150                                                                           3
       atomic models                                        #69375-00


                                                            Boreal Lab
151 Velocity Tube- 7m long; PCV tubing with stand                             1
                                                            #46142-00


       Newtonian Demonstrator- consists of walnut           NASCO
152                                                                           7
       support; 5 nickel plated steel balls; 9" x 7" x 9"   #SB16568M

                                                            Sargent Welch
153 Alti-trak Altitude Finder                                                13
                                                            #WL1780A-30

       Bottle Rocket Launcher- launcher from 500 ml         NASCO                                                                                                                                                             TB 23147
154                                                                           7                                                                                                                                  40.22
       to 2 liter plastic bottles with tire pump attachment #SB21429M                                                                                                                                                                 page 116

    Magnetism Activity Model- transparent base;
    houses 500 small bar magnets (included);                NASCO
155                                                                           2
    durable plastic transparent model; includes             #SB32062M
    comprehensive teacher's guide.

       Cavendish Balance- classic instrument;
156                                                         Frey #15574873    1
       measures G
    Overhead Projection Ripple Tank Set- clear
    plastic; beveled sides; variable phase wave
    generator; wave frequency from 3 to 20 per              Sargent Welch
157                                                                           1
    second; includes curved barrier, flat barrier, 2        #CP32914-00
    right angle barriers and wetting agent; 30 cm
    x 33 cm
    6 volt AC/DC Low Voltage Power Supply to use
                                                 Sargent Welch
158 with Overhead Projection Ripple Tank (item                                1
                                                 #CP33031-00
    #157 above)




                                                                                                                             Page 40 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                             FISHER SCIENCE                         FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                EDUCATION                                                                                                AQUARIUM INC.
                                                                                    Unit                                     Unit                              Unit                             Unit                             Unit
Item                      Description                         Bid or Equal   Qty.          Price      Brand and Model               Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model

    Pulleys Wheels & Gears Kit- 55 pages of
                                                            Carolina
148 detailed activities; fixed and moveable pulleys;                          2
                                                            #RG-75-1125
    block and tackle, wheel & axle; gear ratios

       Student Multimeter- .5% DCV accuracy; DC
       current to 10A; resistance .1 to 20 M ohms;          Sargent Welch                           S44137G page 680
149                                                                          13       45.35                                                                      38.43           15594636
       diode test; 9 volt batteries, and operating          #WLS-30730-62                            Fisher # GDM-350
       instructions

       Atomic Mobile Kit- 36 different elements; 3D         Boreal Lab
150                                                                           3
       atomic models                                        #69375-00


                                                            Boreal Lab
151 Velocity Tube- 7m long; PCV tubing with stand                             1
                                                            #46142-00


       Newtonian Demonstrator- consists of walnut           NASCO
152                                                                           7       12.79            S40976 page 561                                                                                                             13.75          As Specified
       support; 5 nickel plated steel balls; 9" x 7" x 9"   #SB16568M

                                                            Sargent Welch
153 Alti-trak Altitude Finder                                                13       11.93            S41861 page 591                                           15.08           15568796                                          11.65           SB01216M
                                                            #WL1780A-30

                                                                                                   S41988 page 592
       Bottle Rocket Launcher- launcher from 500 ml         NASCO
154                                                                           7       15.06        Tire pump attachment                                                                                                            17.27          As Specified
       to 2 liter plastic bottles with tire pump attachment #SB21429M
                                                                                                            not included

    Magnetism Activity Model- transparent base;
    houses 500 small bar magnets (included);                NASCO
155                                                                           2                                                                                                                                                    124.96         As Specified
    durable plastic transparent model; includes             #SB32062M
    comprehensive teacher's guide.

       Cavendish Balance- classic instrument;
156                                                         Frey #15574873    1                                                                                  497.10         As Specified
       measures G
    Overhead Projection Ripple Tank Set- clear
    plastic; beveled sides; variable phase wave
    generator; wave frequency from 3 to 20 per              Sargent Welch                            S63184 page 615
157                                                                           1       40.58
    second; includes curved barrier, flat barrier, 2        #CP32914-00                             Science Source # 33105
    right angle barriers and wetting agent; 30 cm
    x 33 cm
    6 volt AC/DC Low Voltage Power Supply to use
                                                 Sargent Welch
158 with Overhead Projection Ripple Tank (item                                1
                                                 #CP33031-00
    #157 above)




                                                                                                                                               Page 41 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                       NEBRASKA SCIENTIFIC                    SARGENT-WELCH                   SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                  LABORATORIES                                                      SCIENCE EST.
                                                                                    Unit                             Unit                                   Unit                             Unit                             Unit
Item                      Description                         Bid or Equal   Qty.          Price   Brand and Model          Price     Brand and Model              Price   Brand and Model          Price   Brand and Model          Price   Brand and Model

    Pulleys Wheels & Gears Kit- 55 pages of
                                                            Carolina
148 detailed activities; fixed and moveable pulleys;                          2
                                                            #RG-75-1125
    block and tackle, wheel & axle; gear ratios

       Student Multimeter- .5% DCV accuracy; DC
       current to 10A; resistance .1 to 20 M ohms;          Sargent Welch
149                                                                          13                                        33.63              As Specified
       diode test; 9 volt batteries, and operating          #WLS-30730-62
       instructions

       Atomic Mobile Kit- 36 different elements; 3D         Boreal Lab
150                                                                           3                                                                               49.95          As Specified
       atomic models                                        #69375-00


                                                            Boreal Lab
151 Velocity Tube- 7m long; PCV tubing with stand                             1                                                                               129.00         As Specified
                                                            #46142-00


       Newtonian Demonstrator- consists of walnut           NASCO
152                                                                           7                                                                               18.20          SK64367-00
       support; 5 nickel plated steel balls; 9" x 7" x 9"   #SB16568M

                                                            Sargent Welch
153 Alti-trak Altitude Finder                                                13                                        16.42              As Specified
                                                            #WL1780A-30

       Bottle Rocket Launcher- launcher from 500 ml         NASCO
154                                                                           7                                                                               21.75          SK45388-00
       to 2 liter plastic bottles with tire pump attachment #SB21429M

    Magnetism Activity Model- transparent base;
    houses 500 small bar magnets (included);                NASCO
155                                                                           2
    durable plastic transparent model; includes             #SB32062M
    comprehensive teacher's guide.

       Cavendish Balance- classic instrument;                                                                                       CP33869-00
156                                                         Frey #15574873    1                                        444.80
       measures G                                                                                                                          offer page 678
    Overhead Projection Ripple Tank Set- clear
    plastic; beveled sides; variable phase wave
    generator; wave frequency from 3 to 20 per              Sargent Welch
157                                                                           1                                        133.67             As Specified
    second; includes curved barrier, flat barrier, 2        #CP32914-00
    right angle barriers and wetting agent; 30 cm
    x 33 cm
    6 volt AC/DC Low Voltage Power Supply to use
                                                 Sargent Welch
158 with Overhead Projection Ripple Tank (item                                1                                        153.89             As Specified
                                                 #CP33031-00
    #157 above)




                                                                                                                                          Page 42 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                               Unit                        Unit                           Unit                             Unit                             Unit
Item                     Description                       Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
    Basic Nuclear Lab; PC based or stand alone;
    built-in Geiger Counter; 6 digit LED display;
                                                         Sargent Welch
159 selfcontained 10 piece absorber set; variable                          1
                                                         #CP71299-53
    high voltage; includes sources, Manuals and
    accessories

    Hooked Masses; set of 9 hook masses
                                                    Carolina
160 constructed of brass, Ranges from 10g to 1000g;                       12                                                                61.20          As Specified
                                                    CE751449
    wooden storage box

    Pulley Demonstration Set; 83 x 60 cm wood
    base; 19 mm Rods, 80 cm tall, right angle
                                                       Sargent Welch
161 clamps, 7 single pulleys, 2 triple tandem pulleys,                     1
                                                       #WL0793A
    2 quadruple pulleys, 1 wheel and axle, cord, set
    of 15 slotted weights, 7 weight hangers


       Helium Neon Laser; certified class II; operates   Carolina
162                                                                        6                                                                494.00         As Specified
       on 105 to 125 volts, AC, rated at 0.8 mW          #RG755440


    Grating Spectroscope; 15,000 lines per inch;
                                                                                                                                                                                                                           TB 92324
163 graduated scale plate on instrument; wavelengths Frey #15590943        1                                                                                                                                   5.01
                                                                                                                                                                                                                                      page 104
    can be read directly from the scale


164 Spectrum Power Supply; 115 volt AC                   Frey #15583608    2

    Spectrum Tube Kit; includes 1 each of the
    following gasses: Air, Argon, Bromine Vapor,
                                                   Frey Spectrum
    Carbon Dioxide, Chlorine, Helium, Hydrogen,
165                                                tubes p. 768,           3
    Iodine Vapor, Krypton, Neon, Nitrogen, Oxygen,
                                                   2002 catalog
    Water Vapor, Xenon, must fit spectrum power
    supply item #164 above

    Sound Level Meter- ANSI specification; range
    35 to 80 dD; 75 to 120 dD; microphone:
                                                       Sargent Welch
166 capacitance, power supply: 9 volt battery                              3
                                                       #WLS75111
    included; calibration: signal oscillator; manually
    adjustable

    Discover Sound Kit- sonometer board, two
                                                         Boreal Lab
167 adjustable bridges, tuning fork and striking                           2
                                                         #65177-05
    mallet; 5 complete kits
    Reflection, Diffraction, and Refraction Class
    Pack Kit; includes instructions for reflecting and
                                                       NASCO
168 refracting light; variety of translucent, opaque                       2
                                                       #SB28822M
    objects and teachers guide; enough materials for
    25 to 30 students



                                                                                                                          Page 43 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                          FISHER SCIENCE                        FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC                     MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                                     AQUARIUM INC.
                                                                                 Unit                                    Unit                              Unit                                   Unit                             Unit
Item                     Description                       Bid or Equal   Qty.          Price     Brand and Model               Price   Brand and Model           Price   Brand and Model                Price   Brand and Model          Price   Brand and Model
    Basic Nuclear Lab; PC based or stand alone;
                                                                                                S46860IBM page 706
    built-in Geiger Counter; 6 digit LED display;
                                                         Sargent Welch                           Spectrum # ST150PC
159 selfcontained 10 piece absorber set; variable                          1       843.02
                                                         #CP71299-53                              Dock to Dock
    high voltage; includes sources, Manuals and
                                                                                                     Delivery only
    accessories

    Hooked Masses; set of 9 hook masses
                                                    Carolina                      42.20            S40300 page 851
160 constructed of brass, Ranges from 10g to 1000g;                       12                                                                                 52.88             15595401                                              49.18           SA09264M
                                                    CE751449                        1/pk           Troemner # 56206F
    wooden storage box

    Pulley Demonstration Set; 83 x 60 cm wood
    base; 19 mm Rods, 80 cm tall, right angle
                                                       Sargent Welch                            S40871 page 547
161 clamps, 7 single pulleys, 2 triple tandem pulleys,                     1       215.12                                                                    332.05            15589962                                              143.75          SB16554M
                                                       #WL0793A                                          Glakad # 1870
    2 quadruple pulleys, 1 wheel and axle, cord, set
    of 15 slotted weights, 7 weight hangers


       Helium Neon Laser; certified class II; operates   Carolina                               S427141 page 620
162                                                                        6       203.49
       on 105 to 125 volts, AC, rated at 0.8 mW          #RG755440                                Meridith # 542714-1


    Grating Spectroscope; 15,000 lines per inch;
                                                                                                  S42550 page 698
163 graduated scale plate on instrument; wavelengths Frey #15590943        1       226.74                                                                    264.60           As Specified
                                                                                                   Wabash # SP-125
    can be read directly from the scale


164 Spectrum Power Supply; 115 volt AC                   Frey #15583608    2       91.86               S43970E                                               147.42           As Specified

    Spectrum Tube Kit; includes 1 each of the                                                                                                                $25.12 - Air, Argon, Carbon,
    following gasses: Air, Argon, Bromine Vapor,                                                                                                              Helium, Hydrogen, Neon,
                                                   Frey Spectrum
    Carbon Dioxide, Chlorine, Helium, Hydrogen,                                                                                                            Nitrogen, Oxygen, Water
165                                                tubes p. 768,           3
    Iodine Vapor, Krypton, Neon, Nitrogen, Oxygen,                                                                                                                          $32.89 - Bromine,
                                                   2002 catalog
    Water Vapor, Xenon, must fit spectrum power                                                                                                            Chlorine, Iodine    $29.90 - Krypton
    supply item #164 above                                                                                                                                             $37.13 - Xenon

    Sound Level Meter- ANSI specification; range
    35 to 80 dD; 75 to 120 dD; microphone:
                                                       Sargent Welch
166 capacitance, power supply: 9 volt battery                              3       44.19           S52281A page 618                                          89.88             15598215                                              37.65           SB19105M
                                                       #WLS75111
    included; calibration: signal oscillator; manually
    adjustable

    Discover Sound Kit- sonometer board, two
                                                         Boreal Lab
167 adjustable bridges, tuning fork and striking                           2
                                                         #65177-05
    mallet; 5 complete kits
    Reflection, Diffraction, and Refraction Class
    Pack Kit; includes instructions for reflecting and
                                                       NASCO
168 refracting light; variety of translucent, opaque                       2                                                                                                                                                         429.12         As Specified
                                                       #SB28822M
    objects and teachers guide; enough materials for
    25 to 30 students



                                                                                                                                           Page 44 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                    NEBRASKA SCIENTIFIC                    SARGENT-WELCH                  SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                              LABORATORIES                                                      SCIENCE EST.
                                                                                 Unit                             Unit                                  Unit                             Unit                             Unit
Item                     Description                       Bid or Equal   Qty.          Price   Brand and Model          Price      Brand and Model            Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
    Basic Nuclear Lab; PC based or stand alone;
    built-in Geiger Counter; 6 digit LED display;
                                                         Sargent Welch
159 selfcontained 10 piece absorber set; variable                          1                                        877.09             As Specified
                                                         #CP71299-53
    high voltage; includes sources, Manuals and
    accessories

    Hooked Masses; set of 9 hook masses
                                                    Carolina                                                                       S4322-11
160 constructed of brass, Ranges from 10g to 1000g;                       12                                        48.64                                 23.80          SK48997-00                                         69.00            15-3717
                                                    CE751449                                                                           Plastic Tray
    wooden storage box

    Pulley Demonstration Set; 83 x 60 cm wood
    base; 19 mm Rods, 80 cm tall, right angle
                                                       Sargent Welch
161 clamps, 7 single pulleys, 2 triple tandem pulleys,                     1                                        261.32             As Specified
                                                       #WL0793A
    2 quadruple pulleys, 1 wheel and axle, cord, set
    of 15 slotted weights, 7 weight hangers


       Helium Neon Laser; certified class II; operates   Carolina
162                                                                        6                                        310.00              3677B-10          486.50         SK66824-01
       on 105 to 125 volts, AC, rated at 0.8 mW          #RG755440


    Grating Spectroscope; 15,000 lines per inch;
                                                                                                                                 S75903-73
163 graduated scale plate on instrument; wavelengths Frey #15590943        1                                        274.95
                                                                                                                                       see page 794
    can be read directly from the scale


164 Spectrum Power Supply; 115 volt AC                   Frey #15583608    2                                        127.00                2393D                                                                             169.55           16-0569

    Spectrum Tube Kit; includes 1 each of the
                                                                                                                               Using these numbers:
    following gasses: Air, Argon, Bromine Vapor,
                                                   Frey Spectrum                                                              S68755-30W, 30A, 30B,
    Carbon Dioxide, Chlorine, Helium, Hydrogen,                                                                   316.81
165                                                tubes p. 768,           3                                                    30C, 30D, 30F, 30G,
    Iodine Vapor, Krypton, Neon, Nitrogen, Oxygen,                                                                   one set
                                                   2002 catalog                                                              30H, 30J, 30L, 30M, 30N,
    Water Vapor, Xenon, must fit spectrum power
                                                                                                                                      30R, 30S
    supply item #164 above

    Sound Level Meter- ANSI specification; range
    35 to 80 dD; 75 to 120 dD; microphone:
                                                       Sargent Welch
166 capacitance, power supply: 9 volt battery                              3                                        49.91
                                                       #WLS75111
    included; calibration: signal oscillator; manually
    adjustable

    Discover Sound Kit- sonometer board, two
                                                         Boreal Lab
167 adjustable bridges, tuning fork and striking                           2                                                                              41.83          As Specified                                       59.15            36-0517
                                                         #65177-05
    mallet; 5 complete kits
    Reflection, Diffraction, and Refraction Class
    Pack Kit; includes instructions for reflecting and
                                                       NASCO
168 refracting light; variety of translucent, opaque                       2
                                                       #SB28822M
    objects and teachers guide; enough materials for
    25 to 30 students



                                                                                                                                       Page 45 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                Unit                        Unit                           Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model

       Long & Short Wave Ultraviolet Light; AC
169                                                       Flinn #AP5725     3
       powered; sliding selector

                                                          NASCO
170 Reflection and Refraction Tank                                          1
                                                          #SB28590M

    Electrostatic Wimhurst Generator- metal
                                                          NASCO                                                                                                                                                             TB 20637
171 collector brushes; condensing unit; 2 swinging                          1                                                                                                                                  84.62
                                                          #SB25325M                                                                                                                                                                 page 114
    arm discharges; 15" tall

       Climbing Arc- Jacob's ladder; nitrogen, oxygen     NASCO
172                                                                         1
       in tube                                            #SB33673M

       Motor Generating Unit- Mounted LED;                NASCO
173                                                                         2
       4 mm sockets; apparatus acts as a motor            #SB33589M

    Potential/Kinetic Energy Tracks- 4 separate
    tracks; separate track with measurements on one
    side; varnished hardwood with flexible plastic  Sargent Welch
174                                                                         2
    tracks; two 19 mm diameter steel marbles:       #CP33578-00
    complete instructions; and suggested class
    activities
       Density Flow Model- 40 page activity guide
175                                                       Frey #15599263    3
       included

                                                          Sargent Welch
176 White Light Box- amber filter included                                  1
                                                          #WLS-31158-30A

    Spring Scale Centripetal Force Apparatus-
                                                          Sargent Welch
177 spring scale mounted on a 1 m Al rod; complete                          2
                                                          #WL-0932
    with instructions

                                                          NASCO
178 Steric Demonstrator of Magnetic Line of Force                           2
                                                          #SB28606M

       Lens Demonstration Kit- includes 6 lens; plano-
       concave, concave-conves, double concave,           NASCO
179                                                                        42
       convex-concave, double convex and plano-           SB16449M
       convex. 37.5 mm diameter

       Projectile Launcher- 25 mm drilled balls,
       champs to tabletop built-in protractor, launch     Sargent Welch
180                                                                         2
       force can be varied, includes 2 steel balls with   #WL0870L
       complete instructions




                                                                                                                           Page 46 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                           FISHER SCIENCE                        FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                          NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                              EDUCATION                                                                                               AQUARIUM INC.
                                                                                  Unit                                    Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.          Price      Brand and Model              Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model

       Long & Short Wave Ultraviolet Light; AC                                                      S45157 page 307
169                                                       Flinn #AP5725     3       115.70                                 175.4867        As Specified
       powered; sliding selector                                                                   Spectronics ENF-240C

                                                          NASCO                                                                                                                                                                              As Specified
170 Reflection and Refraction Tank                                          1                                                                                                                                                   72.23
                                                          #SB28590M                                                                                                                                                                            LIMITED QUANTITY

    Electrostatic Wimhurst Generator- metal
                                                          NASCO
171 collector brushes; condensing unit; 2 swinging                          1                                                                                                                                                   78.57            As Specified
                                                          #SB25325M
    arm discharges; 15" tall

       Climbing Arc- Jacob's ladder; nitrogen, oxygen     NASCO
172                                                                         1       237.21           S65071 page 660                                          276.82          15579886                                          255.00           As Specified
       in tube                                            #SB33673M

       Motor Generating Unit- Mounted LED;                NASCO
173                                                                         2                                                                                                                                                   36.88            As Specified
       4 mm sockets; apparatus acts as a motor            #SB33589M

    Potential/Kinetic Energy Tracks- 4 separate
    tracks; separate track with measurements on one
    side; varnished hardwood with flexible plastic  Sargent Welch
174                                                                         2
    tracks; two 19 mm diameter steel marbles:       #CP33578-00
    complete instructions; and suggested class
    activities
       Density Flow Model- 40 page activity guide
175                                                       Frey #15599263    3       271.40           S66421 page 472                                          306.60         As Specified
       included

                                                          Sargent Welch
176 White Light Box- amber filter included                                  1       77.33            S11552 page 307
                                                          #WLS-31158-30A

    Spring Scale Centripetal Force Apparatus-
                                                          Sargent Welch
177 spring scale mounted on a 1 m Al rod; complete                          2                                                                                                                                                    3.67             SB16606M
                                                          #WL-0932
    with instructions

                                                          NASCO
178 Steric Demonstrator of Magnetic Line of Force                           2                                                                                                                                                   38.63            As Specified
                                                          #SB28606M

       Lens Demonstration Kit- includes 6 lens; plano-
                                                                                                  S42421 page 637
       concave, concave-conves, double concave,           NASCO                   5.22
179                                                                        42                       50mm                                                      11.17           15568883                                         3.75 / st         As Specified
       convex-concave, double convex and plano-           SB16449M                         pk/6
                                                                                                      United #DEM050
       convex. 37.5 mm diameter

       Projectile Launcher- 25 mm drilled balls,
       champs to tabletop built-in protractor, launch     Sargent Welch
180                                                                         2       75.87                S42777                                               87.95           15590103
       force can be varied, includes 2 steel balls with   #WL0870L
       complete instructions




                                                                                                                                            Page 47 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                     NEBRASKA SCIENTIFIC                    SARGENT-WELCH                  SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                               LABORATORIES                                                      SCIENCE EST.
                                                                                  Unit                             Unit                                  Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.          Price   Brand and Model          Price    Brand and Model              Price   Brand and Model          Price   Brand and Model          Price   Brand and Model

       Long & Short Wave Ultraviolet Light; AC
169                                                       Flinn #AP5725     3                                                                              160.70         SK65976-00
       powered; sliding selector

                                                          NASCO
170 Reflection and Refraction Tank                                          1
                                                          #SB28590M

    Electrostatic Wimhurst Generator- metal
                                                          NASCO
171 collector brushes; condensing unit; 2 swinging                          1                                                                              93.10          SK46129-00
                                                          #SB25325M
    arm discharges; 15" tall

       Climbing Arc- Jacob's ladder; nitrogen, oxygen     NASCO
172                                                                         1
       in tube                                            #SB33673M

       Motor Generating Unit- Mounted LED;                NASCO
173                                                                         2
       4 mm sockets; apparatus acts as a motor            #SB33589M

    Potential/Kinetic Energy Tracks- 4 separate
    tracks; separate track with measurements on one
    side; varnished hardwood with flexible plastic  Sargent Welch
174                                                                         2                                        74.18            As Specified
    tracks; two 19 mm diameter steel marbles:       #CP33578-00
    complete instructions; and suggested class
    activities
       Density Flow Model- 40 page activity guide
175                                                       Frey #15599263    3
       included

                                                          Sargent Welch
176 White Light Box- amber filter included                                  1                                        41.88        Use A500 + S31158-30
                                                          #WLS-31158-30A

    Spring Scale Centripetal Force Apparatus-
                                                          Sargent Welch
177 spring scale mounted on a 1 m Al rod; complete                          2                                        82.04            As Specified
                                                          #WL-0932
    with instructions

                                                          NASCO
178 Steric Demonstrator of Magnetic Line of Force                           2                                                                              46.10          SK47494-00
                                                          #SB28606M

       Lens Demonstration Kit- includes 6 lens; plano-
       concave, concave-conves, double concave,           NASCO                                                    4.31
179                                                                        42                                                            3440              11.90          SK62250-38
       convex-concave, double convex and plano-           SB16449M                                                  each set
       convex. 37.5 mm diameter

       Projectile Launcher- 25 mm drilled balls,
       champs to tabletop built-in protractor, launch     Sargent Welch
180                                                                         2                                        85.93            As Specified
       force can be varied, includes 2 steel balls with   #WL0870L
       complete instructions




                                                                                                                                      Page 48 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                  ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                 Unit                        Unit                           Unit                             Unit                             Unit
Item                     Description                         Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
    K'NEX Roller Coaster Physics Set, up to 4
    science labs stations; over 3000 parts; extra
    tubing, 2 sets of color coated instructions;           Sargent Welch                                                                                                                                                     TB 92163
181                                                                          2                                                                                                                                  208.26
    rollercoaster physics curriculum information;          #WL-7605B                                                                                                                                                                    page 89
    support and plastic storage case; teacher's guide
    included

       Student Electricity Kit; includes manual with       NASCO
182                                                                          3
       different experiments; storage case included        #SB27552M

                                                           Carolina
183 Electro Explorer; electromagnetic field indicator                       24
                                                           #RG-75-6102

                                                           NASCO
184 Electric Circuits & Electromagnetism Kit                                 1
                                                           #SB12169M

    Deluxe Battery Eliminator- input 115 VAC;
    50/60 hz; output 1.5, 2.2, 3, 4.5, 5, 6, 7.2, 9, 10,   Fisher
185                                                                         10
    13.8 and 15 volts; max current 1 amp on all            #CDS44175-1
    setting

    Auto Ranging Multimeter- functions as a multi-
                                                           Fisher
186 range AC/DC voltage, current and resistance;                            10
                                                           #CDS44137G
    auto shut-off; includes protective boot

    Energy Alternative Kit- includes 17 experiments
    covering potential vs. kinetic energy; creating
187 electricity, solar energy, hydropower, steam    Frey #15564638           1
    power & geothermal energy; free activity sheet
    included with instruction manual

    Moment of Inertia Set; 2 15 cm diameter metal
    rings; 265 g mass; 1 ring has solid rod mounted
                                                           Sargent Welch
188 across it's diameter; other ring has 2 adjustable                        2
                                                           #WL0866A
    masses on rod; 2 batons of equal mass mounted
    on handle (I uniform the other adjustable)

    QA Spectroscope; wavelength from 4000 to
                                                           Wards                                                                                                                                                             TB 92324
189 7000 Angstroms, with accuracy of + or - 50                              40                                                                                                                                   5.01
                                                           #25D4996                                                                                                                                                                     page 104
    Angstroms; houses 37 mm scale

                     COMPUTERS / SOFTWARE / VIDEO / CALCULATOR
                                                           Fisher
190 TI Model #83 + Silver Edition calculator                                35                                                                167.45         CBS 91-2464
                                                           #CDS66300

       ECO-Seeker Software Set-PC format; comm.            Carolina
191                                                                          2                                                                102.60         As Specified
       Port adapter cable; users manual                    #RG-18-6130




                                                                                                                            Page 49 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                            FISHER SCIENCE                        FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                          NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                               EDUCATION                                                                                               AQUARIUM INC.
                                                                                   Unit                                    Unit                              Unit                             Unit                             Unit
Item                     Description                         Bid or Equal   Qty.          Price    Brand and Model                Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price      Brand and Model
    K'NEX Roller Coaster Physics Set, up to 4
    science labs stations; over 3000 parts; extra
    tubing, 2 sets of color coated instructions;           Sargent Welch
181                                                                          2       169.51         S83159 page 550                                            205.80          15562004                                          202.01              SB26209M
    rollercoaster physics curriculum information;          #WL-7605B
    support and plastic storage case; teacher's guide
    included

       Student Electricity Kit; includes manual with       NASCO
182                                                                          3                                                                                                                                                   55.71               As Specified
       different experiments; storage case included        #SB27552M

                                                           Carolina
183 Electro Explorer; electromagnetic field indicator                       24
                                                           #RG-75-6102

                                                           NASCO
184 Electric Circuits & Electromagnetism Kit                                 1                                                                                                                                                   52.25               As Specified
                                                           #SB12169M

    Deluxe Battery Eliminator- input 115 VAC;
    50/60 hz; output 1.5, 2.2, 3, 4.5, 5, 6, 7.2, 9, 10,   Fisher                                 As specified                                                                                                                                 SB16041M
185                                                                         10       46.45                                                                                                                                       101.18
    13.8 and 15 volts; max current 1 amp on all            #CDS44175-1                                   page 675                                                                                                                             See attached specifications
    setting

    Auto Ranging Multimeter- functions as a multi-
                                                           Fisher                                 As specified
186 range AC/DC voltage, current and resistance;                            10       45.35
                                                           #CDS44137G                                    page 680
    auto shut-off; includes protective boot

    Energy Alternative Kit- includes 17 experiments
    covering potential vs. kinetic energy; creating
187 electricity, solar energy, hydropower, steam    Frey #15564638           1                                                                                 105.00         As Specified
    power & geothermal energy; free activity sheet
    included with instruction manual

    Moment of Inertia Set; 2 15 cm diameter metal
    rings; 265 g mass; 1 ring has solid rod mounted
                                                           Sargent Welch                           S52111 page 571
188 across it's diameter; other ring has 2 adjustable                        2       153.20
                                                           #WL0866A                               Science Source # 18600
    masses on rod; 2 batons of equal mass mounted
    on handle (I uniform the other adjustable)

    QA Spectroscope; wavelength from 4000 to
                                                           Wards
189 7000 Angstroms, with accuracy of + or - 50                              40        4.07              S42581A
                                                           #25D4996
    Angstroms; houses 37 mm scale

                     COMPUTERS / SOFTWARE / VIDEO / CALCULATOR
                                                           Fisher
190 TI Model #83 + Silver Edition calculator                                35       137.21            As Specified                                                                                                              160.55               TB20096T
                                                           #CDS66300

       ECO-Seeker Software Set-PC format; comm.            Carolina
191                                                                          2
       Port adapter cable; users manual                    #RG-18-6130




                                                                                                                                             Page 50 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                      NEBRASKA SCIENTIFIC                    SARGENT-WELCH                SCIENCE KIT & BOREAL                  SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                              LABORATORIES                                                          SCIENCE EST.
                                                                                   Unit                             Unit                                Unit                                 Unit                             Unit
Item                     Description                         Bid or Equal   Qty.          Price   Brand and Model          Price    Brand and Model            Price   Brand and Model              Price   Brand and Model          Price   Brand and Model
    K'NEX Roller Coaster Physics Set, up to 4
    science labs stations; over 3000 parts; extra
    tubing, 2 sets of color coated instructions;           Sargent Welch
181                                                                          2                                        205.55            As Specified
    rollercoaster physics curriculum information;          #WL-7605B
    support and plastic storage case; teacher's guide
    included

       Student Electricity Kit; includes manual with       NASCO
182                                                                          3
       different experiments; storage case included        #SB27552M

                                                           Carolina
183 Electro Explorer; electromagnetic field indicator                       24
                                                           #RG-75-6102

                                                           NASCO
184 Electric Circuits & Electromagnetism Kit                                 1
                                                           #SB12169M

    Deluxe Battery Eliminator- input 115 VAC;
    50/60 hz; output 1.5, 2.2, 3, 4.5, 5, 6, 7.2, 9, 10,   Fisher
185                                                                         10                                        166.32             S30972-99
    13.8 and 15 volts; max current 1 amp on all            #CDS44175-1
    setting

    Auto Ranging Multimeter- functions as a multi-
                                                           Fisher                                                                  S30730-05A
186 range AC/DC voltage, current and resistance;                            10                                        47.61
                                                           #CDS44137G                                                                  offer page 897
    auto shut-off; includes protective boot

    Energy Alternative Kit- includes 17 experiments
    covering potential vs. kinetic energy; creating
187 electricity, solar energy, hydropower, steam    Frey #15564638           1
    power & geothermal energy; free activity sheet
    included with instruction manual

    Moment of Inertia Set; 2 15 cm diameter metal
    rings; 265 g mass; 1 ring has solid rod mounted
                                                           Sargent Welch
188 across it's diameter; other ring has 2 adjustable                        2                                        87.95             As Specified
                                                           #WL0866A
    masses on rod; 2 batons of equal mass mounted
    on handle (I uniform the other adjustable)

    QA Spectroscope; wavelength from 4000 to
                                                           Wards
189 7000 Angstroms, with accuracy of + or - 50                              40                                         6.73             CP30105-00                                                                               7.90          As Specified
                                                           #25D4996
    Angstroms; houses 37 mm scale

                     COMPUTERS / SOFTWARE / VIDEO / CALCULATOR
                                                           Fisher
190 TI Model #83 + Silver Edition calculator                                35                                        170.00         MISC-83PL2/CLM
                                                           #CDS66300

       ECO-Seeker Software Set-PC format; comm.            Carolina                                                                                                    *Sk we offer:
191                                                                          2                                                                            75.00
       Port adapter cable; users manual                    #RG-18-6130                                                                                                 46907-08 (page 798)




                                                                                                                                        Page 51 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                  ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                 Unit                        Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal    Qty.   Price   Brand and Model       Price     Brand and Model            Price   Brand and Model          Price   Brand and Model          Price     Brand and Model

    pH Probe to use with ECO-Seeker software (Bid Carolina
192                                                                          2                                                                   115.90         As Specified
    item #191)                                    #RG-18-6118


    ECO-Seeker Environmental Data Logger- 4
                                                     Carolina
193 analog/digital channels; high resolution LCD; 12                         2                                                                   451.25         As Specified
                                                     #RG-18-6108
    bit resolution; AC power supply included


       Turbidity Probe- to use with ECO-Seeker            Carolina
194                                                                          2                                                                   106.40         As Specified
       software (Bid item #191)                           #RG-186124

    Computer Projector- 1200 ANSI lumens; 800 x
                                                          Epson Powerlite
195 600 max resolution; 28" to 300" projection                               7
                                                          #51C
    distance; 6.8lbs.

       Discovery Channel School- Physical Science         CyberED
196                                                                          5
       Bundle; Science Software                           #N2801301

                                                          CyberED
197 Discovery Channel School- Earth Science Bundle                           4
                                                          #N2801101

       Complete 38 Title Biology Series; Win/Mac          CyberED
198                                                                          2
       Platform                                           #N0993333HY

       Garmin Etrex Venture; GPS; built-in tide tables;
199                                                       Cabelas           29
       computer interface; cable included


       Depth Mate Portable Sounder; reading between       Sargent Welch                                                  Aquatic Ecosys.
200                                                                          1                                 126.65
       2 and 260 ft; 0.1 resolution                       #WL-1374                                                               #DMP

                                                 LAB APPARATUS

       Balance, Triple Beam: The three beams provide                                                                     Aquatic Ecosys.                                                                                        TB 14001
201                                                   Frey #15572096        71                                 87.00                             74.10          CBS 70-2150                                        90.36
       0.1 to 610 grams without use of extra weights.                                                                            #SB12                                                                                                     page 148


       Triple Beam Balance Cobers; must fit Balance in
202                                                    Frey #15591226       26                                                                   11.66          CBS 70-2174
       item #201 above.

    Triple Beam Balance Attachment Weight Set;
                                                                                                                         Aquatic Ecosys.
203 1500g and 2 1000g weights; extends capacity to        Frey #15595797    10                                 25.00                             28.80          CBS 70-2356
                                                                                                                                 #SB13
    2610g.




                                                                                                                               Page 52 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                            FISHER SCIENCE                 FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                               EDUCATION                                                                                        AQUARIUM INC.
                                                                                   Unit                             Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal    Qty.          Price   Brand and Model          Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model

    pH Probe to use with ECO-Seeker software (Bid Carolina
192                                                                          2
    item #191)                                    #RG-18-6118


    ECO-Seeker Environmental Data Logger- 4
                                                     Carolina
193 analog/digital channels; high resolution LCD; 12                         2
                                                     #RG-18-6108
    bit resolution; AC power supply included


       Turbidity Probe- to use with ECO-Seeker            Carolina
194                                                                          2
       software (Bid item #191)                           #RG-186124

    Computer Projector- 1200 ANSI lumens; 800 x
                                                          Epson Powerlite
195 600 max resolution; 28" to 300" projection                               7
                                                          #51C
    distance; 6.8lbs.

       Discovery Channel School- Physical Science         CyberED
196                                                                          5
       Bundle; Science Software                           #N2801301

                                                          CyberED
197 Discovery Channel School- Earth Science Bundle                           4
                                                          #N2801101

       Complete 38 Title Biology Series; Win/Mac          CyberED
198                                                                          2
       Platform                                           #N0993333HY

       Garmin Etrex Venture; GPS; built-in tide tables;
199                                                       Cabelas           29
       computer interface; cable included


       Depth Mate Portable Sounder; reading between       Sargent Welch
200                                                                          1
       2 and 260 ft; 0.1 resolution                       #WL-1374

                                                 LAB APPARATUS

       Balance, Triple Beam: The three beams provide
201                                                   Frey #15572096        71       63.95        S40020 page 847                                       74.63          As Specified                                       71.18           SA04387M
       0.1 to 610 grams without use of extra weights.


       Triple Beam Balance Cobers; must fit Balance in
202                                                    Frey #15591226       26        9.07        S40072 page 847                                        4.91          As Specified
       item #201 above.

    Triple Beam Balance Attachment Weight Set;
203 1500g and 2 1000g weights; extends capacity to        Frey #15595797    10       20.47        S40037 page 847                                       24.02          As Specified                                      22.00 / st       SA04482M
    2610g.




                                                                                                                                      Page 53 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                      NEBRASKA SCIENTIFIC                      SARGENT-WELCH              SCIENCE KIT & BOREAL                    SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                              LABORATORIES                                                            SCIENCE EST.
                                                                                   Unit                               Unit                              Unit                                   Unit                             Unit
Item                     Description                        Bid or Equal    Qty.          Price     Brand and Model          Price   Brand and Model           Price     Brand and Model              Price   Brand and Model          Price   Brand and Model

    pH Probe to use with ECO-Seeker software (Bid Carolina                                                                                                              *SK we offer:
192                                                                          2                                                                            102.48
    item #191)                                    #RG-18-6118                                                                                                            46907-03 (page 798)

                                                                                                                                                                       *SK we offer:
    ECO-Seeker Environmental Data Logger- 4
                                                     Carolina                                                                                                                      46907-00
193 analog/digital channels; high resolution LCD; 12                         2                                                                            420.40
                                                     #RG-18-6108                                                                                                        w/46907-02
    bit resolution; AC power supply included
                                                                                                                                                                              (page 798)
                                                                                                                                                                        *SK we offer:
       Turbidity Probe- to use with ECO-Seeker            Carolina
194                                                                          2                                                                            99.00         46907-05
       software (Bid item #191)                           #RG-186124
                                                                                                                                                                             (page 798)
    Computer Projector- 1200 ANSI lumens; 800 x
                                                          Epson Powerlite
195 600 max resolution; 28" to 300" projection                               7
                                                          #51C
    distance; 6.8lbs.

       Discovery Channel School- Physical Science         CyberED
196                                                                          5
       Bundle; Science Software                           #N2801301

                                                          CyberED
197 Discovery Channel School- Earth Science Bundle                           4
                                                          #N2801101

       Complete 38 Title Biology Series; Win/Mac          CyberED
198                                                                          2
       Platform                                           #N0993333HY

       Garmin Etrex Venture; GPS; built-in tide tables;
199                                                       Cabelas           29
       computer interface; cable included


       Depth Mate Portable Sounder; reading between       Sargent Welch
200                                                                          1                                          144.10         As Specified
       2 and 260 ft; 0.1 resolution                       #WL-1374

                                                 LAB APPARATUS

       Balance, Triple Beam: The three beams provide                                              OHAUS
201                                                   Frey #15572096        71       75.77                              61.82             S3455                                                                                   87.40            15-6057
       0.1 to 610 grams without use of extra weights.                                                 SB 750-S0


       Triple Beam Balance Cobers; must fit Balance in                                            OHAUS
202                                                    Frey #15591226       26       11.00
       item #201 above.                                                                                   SB 760-00

    Triple Beam Balance Attachment Weight Set;
                                                                                                  OHAUS
203 1500g and 2 1000g weights; extends capacity to        Frey #15595797    10       24.95                              22.53             S3461                                                                                   29.00            15-6058
                                                                                                      SB 707-00
    2610g.




                                                                                                                                        Page 54 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                               Unit                        Unit                              Unit                             Unit                             Unit
Item                    Description                        Bid or Equal   Qty.   Price   Brand and Model       Price     Brand and Model            Price   Brand and Model          Price   Brand and Model          Price     Brand and Model

       Cent-O-Gram Balance; Capacity 311g;                                                                                                                                                                                    TB 20570
204                                                      Flinn #OB1025    12                                                                   131.75         CBS 70-2180                                        127.33
       sensitivity .01                                                                                                                                                                                                                   page 148

       Cent-O-Gram Balance Cover; fits bid item #204
205                                                      Flinn #OB1060    12
       above

    Compact Portable Electronic Scale; 0.1 to 200g
                                                         Carolina                                                                                                                                                             TB 23000
206 capacity; battery or AC powered. Digital                              16                                                                   75.24          As Specified                                       257.14
                                                         #CE-70-2215                                                                                                                                                                     page 148
    calibration from keypad.

       AC adapter for Compact Portable Electronic        Carolina                                                                                                                                                             TB 20731
207                                                                       18                                                                   19.95          As Specified                                       18.01
       Scale; must work with Bid Item #206 above         #CE-70-2203A                                                                                                                                                                      page 148

    Ohaus Scout II- Portable Electronic Balance;
                                                         Carolina                                                                                                                                                             TB 23000
208 capacity 200g; readability .01 grams; AC                              14                                                                   224.20         As Specified                                       257.14
                                                         #CE-70-2199                                                                                                                                                                     page 148
    Adapter included.

    Electronic Balance- Capacity 500 grams;
209 readability 0.1g; precision +/- 0.1g; AC adapter     Flinn#OB2058     10
    included.

       Electronic Balance- Capacity .01g to 150g;                                                                       Aquatic Ecosys.
210                                                      Flinn#OB2059      6                                 640.00
       precision +/- .01 g; AC Adapter included.                                                                              #SB1530


       Analytical Balance- readability .0001 grams;
211                                                      Flinn #OB2079     2
       capacity 210g; AC adapter included.

    Electronic Balance- readability .01g; capacity
212 510g; precision +/- .01 grams; AC adapter            Flinn #OB1044     1
    included

       Anti-Theft Device for Antilytical Balance; must
213                                                      Flinn #OB2080     1
       fit Bit item #211 above

       Platform Scale- durable metal, 14cm rotating      Fisher
214                                                                        5
       dial; marked in 1 gram increments                 #CDS60330

    Bathroom Metric Scale- both English and Metric
                                                                                                                                                                                                                              TB 577
215 readings; all metal construction; 120 kg (260lbs) Flinn #AP5419       15                                                                                                                                     10.81
                                                                                                                                                                                                                                         page 149
    capacity.

    Beaker, 50ml, 12/pk: Wider base Borosilicate
                                                                                                                       Aquatic Ecosys.                                                                                        TB 71024
216 beakers. Scale and marking spot are durable      Frey #15594060        6                                 15.50                                                                                               24.06
                                                                                                                              #GLB50-C                                                                                                   page 150
    white enamel; Griffin low; Corning 1005 or equal




                                                                                                                             Page 55 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                          FISHER SCIENCE                      FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                          NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                             AQUARIUM INC.
                                                                                 Unit                                  Unit                              Unit                             Unit                             Unit
Item                    Description                        Bid or Equal   Qty.          Price     Brand and Model             Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price      Brand and Model

       Cent-O-Gram Balance; Capacity 311g;
204                                                      Flinn #OB1025    12       102.33          S40029 page 848      142.5792        As Specified       123.27          15595383                                          103.53               S00914M
       sensitivity .01

       Cent-O-Gram Balance Cover; fits bid item #204
205                                                      Flinn #OB1060    12        9.07           S40071 page 848      11.2317         As Specified
       above

    Compact Portable Electronic Scale; 0.1 to 200g
                                                         Carolina
206 capacity; battery or AC powered. Digital                              16       63.37           S63462 page 836                                                                                                           64.12               SB31433M
                                                         #CE-70-2215
    calibration from keypad.

       AC adapter for Compact Portable Electronic        Carolina
207                                                                       18       15.87           S63465 page 836
       Scale; must work with Bid Item #206 above         #CE-70-2203A

    Ohaus Scout II- Portable Electronic Balance;
                                                         Carolina
208 capacity 200g; readability .01 grams; AC                              14       174.42          S401291 page 835                                                                                                          194.12              SB26200M
                                                         #CE-70-2199
    Adapter included.

    Electronic Balance- Capacity 500 grams;
209 readability 0.1g; precision +/- 0.1g; AC adapter     Flinn#OB2058     10       130.23          S40501 page 834       192.48         As Specified       147.00          15595629
    included.

       Electronic Balance- Capacity .01g to 150g;
210                                                      Flinn#OB2059      6       156.98          S40152 page 834       220.32         As Specified       173.88          15595623
       precision +/- .01 g; AC Adapter included.


       Analytical Balance- readability .0001 grams;
211                                                      Flinn #OB2079     2      1,243.90         S65365 page 842      1,375.00        As Specified      1,403.64         15580882
       capacity 210g; AC adapter included.

    Electronic Balance- readability .01g; capacity
                                                                                                                                                                                                                                          SB30146M
212 510g; precision +/- .01 grams; AC adapter            Flinn #OB1044     1       591.57          S43069 page 842       699.00         As Specified                                                                         635.94
                                                                                                                                                                                                                                          See attached specifications
    included

       Anti-Theft Device for Antilytical Balance; must
213                                                      Flinn #OB2080     1       15.64           S40046B page 842      31.25          As Specified
       fit Bit item #211 above

       Platform Scale- durable metal, 14cm rotating      Fisher                                 As Specified
214                                                                        5        8.11
       dial; marked in 1 gram increments                 #CDS60330                                      page 852

    Bathroom Metric Scale- both English and Metric
                                                                                                S40051 page 235                                                                                                                            TB14876M
215 readings; all metal construction; 120 kg (260lbs) Flinn #AP5419       15        6.83                                 18.192         As Specified                                                                         14.04
                                                                                                   Offer pounds only                                                                                                                          140 kg (310 lbs)
    capacity.

    Beaker, 50ml, 12/pk: Wider base Borosilicate
                                                                                  16.51
216 beakers. Scale and marking spot are durable      Frey #15594060        6                       S63251 page 857                                         20.29          As Specified
                                                                                   cs/12
    white enamel; Griffin low; Corning 1005 or equal




                                                                                                                                         Page 56 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                    NEBRASKA SCIENTIFIC                      SARGENT-WELCH                      SCIENCE KIT & BOREAL                      SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                    LABORATORIES                                                              SCIENCE EST.
                                                                                 Unit                               Unit                                      Unit                                     Unit                             Unit
Item                    Description                        Bid or Equal   Qty.          Price     Brand and Model          Price     Brand and Model                 Price     Brand and Model                Price   Brand and Model          Price   Brand and Model

       Cent-O-Gram Balance; Capacity 311g;                                                      OHAUS
204                                                      Flinn #OB1025    12       111.75                             98.91                   S3448             142.61              SK60395                                               145.20           15-6051
       sensitivity .01                                                                                  SB 311

       Cent-O-Gram Balance Cover; fits bid item #204                                            OHAUS
205                                                      Flinn #OB1060    12       11.25                              10.37              12338-037              12.95               SK60400
       above                                                                                             110-00

    Compact Portable Electronic Scale; 0.1 to 200g
                                                         Carolina                               OHAUS
206 capacity; battery or AC powered. Digital                              16       73.55                              60.99              S2646-54A              84.37              SK47190-00                                             85.35            15-6240
                                                         #CE-70-2215                                 OH-CS200
    calibration from keypad.

       AC adapter for Compact Portable Electronic        Carolina                               OHAUS
207                                                                       18       18.00                              15.27              S2646-79A              23.50              SK45212-00
       Scale; must work with Bid Item #206 above         #CE-70-2203A                               OH-CS457

    Ohaus Scout II- Portable Electronic Balance;
                                                         Carolina                               OHAUS
208 capacity 200g; readability .01 grams; AC                              14       189.95                             167.85             S2647-10A              264.00             SK47191-10                                             313.50           15-6255
                                                         #CE-70-2199                                 SC 2020
    Adapter included.

    Electronic Balance- Capacity 500 grams;
                                                                                                OHAUS                                                                         *SK we offer:
209 readability 0.1g; precision +/- 0.1g; AC adapter     Flinn#OB2058     10       159.95                             125.33              S2648-40              179.20                                                                    184.80           15-6204
                                                                                                        SC 6010                                                                46755-00 (page 764)
    included.

       Electronic Balance- Capacity .01g to 150g;                                               ACCULAB                                                                      *SK we offer:
210                                                      Flinn#OB2059      6       199.99                             151.07              S2648-20              216.00                                                                    222.75           15-6202
       precision +/- .01 g; AC Adapter included.                                                          AC-V200                                                                46753-00 (page 764)


       Analytical Balance- readability .0001 grams;
211                                                      Flinn #OB2079     2      1,889.00              E 02140      1,197.05             S2639-50             1,711.60            SK47936-00
       capacity 210g; AC adapter included.

    Electronic Balance- readability .01g; capacity
212 510g; precision +/- .01 grams; AC adapter            Flinn #OB1044     1                                          569.29             S2643-10E              814.00             SK63788-01                                             839.45           15-6238
    included

       Anti-Theft Device for Antilytical Balance; must
213                                                      Flinn #OB2080     1       95.00             470004-1         25.46               52646-25
       fit Bit item #211 above

       Platform Scale- durable metal, 14cm rotating      Fisher
214                                                                        5
       dial; marked in 1 gram increments                 #CDS60330

    Bathroom Metric Scale- both English and Metric
                                                                                                                                   S3777-75                                  (286 lbs)
215 readings; all metal construction; 120 kg (260lbs) Flinn #AP5419       15                                          10.92                                     18.17
                                                                                                                                              see page 1139                          SK68598-00
    capacity.

    Beaker, 50ml, 12/pk: Wider base Borosilicate
                                                                                                                    18.97
216 beakers. Scale and marking spot are durable      Frey #15594060        6                                                             S4678-GG                                                                                         25.20            17-4010
                                                                                                                       / cs-12
    white enamel; Griffin low; Corning 1005 or equal




                                                                                                                                         Page 57 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS               CAROLINA BIOLOGICAL                     DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                Unit                        Unit                             Unit                               Unit                             Unit
Item                     Description                        Bid or Equal   Qty.   Price   Brand and Model       Price     Brand and Model           Price     Brand and Model          Price   Brand and Model          Price     Brand and Model

    Beaker, 100ml, 12/pk: Wider base Borosillicate
                                                                                                                        Aquatic Ecosys.                                                                                         TB 71025
217 beakers. Scale and marking spot are durable      Frey #15594063         7                                 16.20                                                                                                25.46
                                                                                                                              #GLB100-C                                                                                                     page 150
    white enamel; Griffin low; Corning 1005 or equal

    Beaker, 250ml, 12/pk: Wider base Brosollicate
    beakers. Scale and marking spot are durable                                                                         Aquatic Ecosys.                                                                                         TB 71027
218                                                       Frey #15594069    9                                 18.00                                                                                                23.20
    white enamel; Griffin Low; Corning 1005 or                                                                                #GLB250-C                                                                                                       page 150
    equal
    Beaker, 400ml, 12/pk: Wider base Borosillicate
    beakers. Scale and marking spot are durable                                                                         Aquatic Ecosys.                                                                                         TB 71028
219                                                       Frey #15594072    4                                 22.80                                                                                                25.46
    white enamel; Griffin Low; Corning 1005 or                                                                                #GLB400-C                                                                                               page 150
    equal

220 Beaker, 500ml, 30/pk: pyrex; 30 per case              Flinn #GP1060     1

       Beaker, 1000ml, 6/pk: Wider base Borosillicate
       beakers. Scale and marking spot are durable                                                                      Aquatic Ecosys.                                                                                         TB 71030
221                                                       Frey #15594084    7                                 26.40                                                                                                32.20
       white enamel; Griffin Low; Corning 1005 or                                                                            #GLB1000-C                                                                                                    page 150
       equal

                                                          Carolina                                                                                          As Specified
222 Beaker, 3000ml pyrex Corning 1010; with handle                          3                                                                  85.50
                                                          #CE-72-11390                                                                                            CE-72-1390

       Square CarBoy- 5 gal; with 60" vinyl tubing;
223                                                       Frey #15594489    1
       dure-clamp included.

    Duwar Flask; Large; expiration rate .40 liters per
224 day; outside diameter 193mm; overall height        Flinn #AP8560        1
    424mm; 4 liter capacity.

    Duwar Flask; Large; expiration rate .22 liters per
225 day; outside diameter 290mm; overall height        Flinn #AP8562        1
    533mm; 10 liter capacity.

       Brush, Beaker: 3" diameter, 16" long. Black        Carolina
226                                                                        32
       China Bristle.                                     #CE-70-6100

       Brush, Flask, 3.5" x 1.38" 250ml; 12 in overall;
227                                                       Frey #15560116    4
       white bristle with plastic handle

       Brush, Flask, 4" x 1.5" 400 to 500ml: 14"
228                                                       Frey #15560119    2
       overall; White bristle with plastic handle.

       Brush, Flask, 5" x 1.75" 1000ml: 17" overall;
229                                                       Frey #15560122    2
       white bristle with plastic handle.




                                                                                                                             Page 58 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                            FISHER SCIENCE                   FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                               EDUCATION                                                                                          AQUARIUM INC.
                                                                                  Unit                                Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.          Price   Brand and Model             Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model

    Beaker, 100ml, 12/pk: Wider base Borosillicate
                                                                                  16.51
217 beakers. Scale and marking spot are durable      Frey #15594063         7                     S63252 page 857                                         20.29          As Specified
                                                                                    cs/12
    white enamel; Griffin low; Corning 1005 or equal

    Beaker, 250ml, 12/pk: Wider base Brosollicate
    beakers. Scale and marking spot are durable                                    15.19
218                                                       Frey #15594069    9                     S63254 page 857                                         18.65          As Specified
    white enamel; Griffin Low; Corning 1005 or                                      cs/12
    equal
    Beaker, 400ml, 12/pk: Wider base Borosillicate
    beakers. Scale and marking spot are durable                                    17.63
219                                                       Frey #15594072    4                     S63255 page 857                                         22.13          As Specified
    white enamel; Griffin Low; Corning 1005 or                                      cs/12
    equal
                                                                                   17.14         S63339 page 857                                                                                                          97.20 /
220 Beaker, 500ml, 30/pk: pyrex; 30 per case              Flinn #GP1060     1                                           131.62         As Specified                                                                                         SB1287M
                                                                                     pk/6        Corning # 1060-500                                                                                                          30 pk

       Beaker, 1000ml, 6/pk: Wider base Borosillicate
       beakers. Scale and marking spot are durable                                 22.22
221                                                       Frey #15594084    7                     S63257 page 857                                         27.30          As Specified
       white enamel; Griffin Low; Corning 1005 or                                    cs/6
       equal

                                                          Carolina                 67.27
222 Beaker, 3000ml pyrex Corning 1010; with handle                          3                     S30441 page 859
                                                          #CE-72-11390               pk/1

       Square CarBoy- 5 gal; with 60" vinyl tubing;
223                                                       Frey #15594489    1       16.90        S31815A page 866                                         27.68          As Specified
       dure-clamp included.

    Duwar Flask; Large; expiration rate .40 liters per
224 day; outside diameter 193mm; overall height        Flinn #AP8560        1                                           473.38         As Specified
    424mm; 4 liter capacity.

    Duwar Flask; Large; expiration rate .22 liters per
225 day; outside diameter 290mm; overall height        Flinn #AP8562        1                                           582.91         As Specified
    533mm; 10 liter capacity.

       Brush, Beaker: 3" diameter, 16" long. Black        Carolina
226                                                                        32        2.17         S30408 page 868
       China Bristle.                                     #CE-70-6100

       Brush, Flask, 3.5" x 1.38" 250ml; 12 in overall;
227                                                       Frey #15560116    4        1.14        S30410A page 869                                          2.39          As Specified
       white bristle with plastic handle

       Brush, Flask, 4" x 1.5" 400 to 500ml: 14"
228                                                       Frey #15560119    2        1.17        S30410B page 869                                          2.81          As Specified
       overall; White bristle with plastic handle.

       Brush, Flask, 5" x 1.75" 1000ml: 17" overall;
229                                                       Frey #15560122    2        1.19        S30410C page 869                                          3.32          As Specified
       white bristle with plastic handle.




                                                                                                                                        Page 59 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                     NEBRASKA SCIENTIFIC                    SARGENT-WELCH              SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                           LABORATORIES                                                      SCIENCE EST.
                                                                                  Unit                             Unit                              Unit                             Unit                             Unit
Item                     Description                        Bid or Equal   Qty.          Price   Brand and Model          Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model

    Beaker, 100ml, 12/pk: Wider base Borosillicate
                                                                                                                   20.08
217 beakers. Scale and marking spot are durable      Frey #15594063         7                                                        S4678-HH                                                                            25.20            17-4020
                                                                                                                       / cs-12
    white enamel; Griffin low; Corning 1005 or equal

    Beaker, 250ml, 12/pk: Wider base Brosollicate
    beakers. Scale and marking spot are durable                                                                    18.30
218                                                       Frey #15594069    9                                                        S4678-KK                                                                            22.80            17-4040
    white enamel; Griffin Low; Corning 1005 or                                                                        / cs-12
    equal
    Beaker, 400ml, 12/pk: Wider base Borosillicate
    beakers. Scale and marking spot are durable                                                                    20.08
219                                                       Frey #15594072    4                                                        S4678-LL                                                                            26.40            17-4050
    white enamel; Griffin Low; Corning 1005 or                                                                         / cs-12
    equal
                                                                                                                   17.01
220 Beaker, 500ml, 30/pk: pyrex; 30 per case              Flinn #GP1060     1                                                         S4695-G          129.60        SK60634-15M
                                                                                                                            /6

       Beaker, 1000ml, 6/pk: Wider base Borosillicate
       beakers. Scale and marking spot are durable                                                                 29.30
221                                                       Frey #15594084    7                                                        S4678-PP                                                                            33.60            17-4080
       white enamel; Griffin Low; Corning 1005 or                                                                     / cs-6
       equal

                                                          Carolina
222 Beaker, 3000ml pyrex Corning 1010; with handle                          3                                        65.25             S4682
                                                          #CE-72-11390

       Square CarBoy- 5 gal; with 60" vinyl tubing;
223                                                       Frey #15594489    1
       dure-clamp included.

    Duwar Flask; Large; expiration rate .40 liters per
224 day; outside diameter 193mm; overall height        Flinn #AP8560        1                                        337.84          55708-568
    424mm; 4 liter capacity.

    Duwar Flask; Large; expiration rate .22 liters per
225 day; outside diameter 290mm; overall height        Flinn #AP8562        1                                        440.16          55708-604
    533mm; 10 liter capacity.

       Brush, Beaker: 3" diameter, 16" long. Black        Carolina
226                                                                        32                                         2.39             S9815            5.81           SJ60765-00                                         3.20            15-9151
       China Bristle.                                     #CE-70-6100

       Brush, Flask, 3.5" x 1.38" 250ml; 12 in overall;
227                                                       Frey #15560116    4                                         1.48            S9965-A
       white bristle with plastic handle

       Brush, Flask, 4" x 1.5" 400 to 500ml: 14"
228                                                       Frey #15560119    2                                         1.54            S9965-B
       overall; White bristle with plastic handle.

       Brush, Flask, 5" x 1.75" 1000ml: 17" overall;
229                                                       Frey #15560122    2                                         2.42             S9975
       white bristle with plastic handle.




                                                                                                                                     Page 60 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                  ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS                CAROLINA BIOLOGICAL                       DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                 Unit                        Unit                              Unit                                 Unit                             Unit
Item                     Description                         Bid or Equal   Qty.   Price   Brand and Model       Price     Brand and Model            Price   Brand and Model              Price   Brand and Model          Price     Brand and Model
    Brush, Test Tube, Black China Bristle; 2.5" x          Carolina                                                                                                                                                                 TB 18030    pk/12
230                                                                         15                                                                    0.86        Replaced by 70-6030                                       5.51
    1.25"; length 10.5"                                    #CE-70-6052                                                                                                                                                                           page 151

       Tabletop Steam Distiller; stainless steel
231                                                        Frey #15591138    2
       condensing coil; auto shut off; 5 gal per day


232 Merit Water Still; 4 liters per hour output            Flinn #AP8897     3


    Electric Autoclave- Al construction: pressure
    gauge; steam release petcock; thermostatic             Boreal Lab
233                                                                          1                                                                   554.40          CBS 70-1695
    controlled; pilot light; 120 volt AC; 1000 watts;      #65718-02
    steam at 120 deg C; 24 liter capacity

    Six Place Centrifuge with Timer- top speed 3500
                                                    Boreal Lab                                                           Aquatic Ecosys.
234 rpms; automatic shutdown; transparent                                    1                                 288.00
                                                    #46903-00                                                                   #MC249
    polycarbonate cover

    Pro-S Lab Station- Solderless breadboard; with
    840 tie points; mounted on a 18 x 10cm base; 3
                                                           Sargent Welch
235 binding posts; adapter plugs directly into                               8
                                                           #WL-2105
    breadboard; operates on 110 volts AC; includes
    assortment of 65 jumper wires and manual


236 Lab Oven; 1200 watt; temp. to 225 degrees C            Flinn #AP1193     1


       Meter Sticks- oak construction, metal ends          NASCO                                                                                                                                                                    TB 511-1
237                                                                         330                                                                                                                                         1.93
       English one side Metric other                       #SB12161M                                                                                                                                                                            page 21

                                                           Carolina
238 Compass- 42mm; pack of 12, black faced                                  11                                                                   15.20           As Specified
                                                           #RG-75-8678

    pH meter- digital; range 0.00 - 14.00 pH;
                                                                                                                         Aquatic Ecosys.                                                                                            TB 91064
239 resolution .01 pH; accuracy better than +/- .2 pH; Flinn #AP8673        15                                 17.10                                                                                                   21.43
                                                                                                                                  #98103                                                                                                       page 157
    calibration 2 point

    Basic Equipment Unit- pegboard, test tube
    holder, test tube clips, burner stand, filter paper,
    scoopula, lastic dropper pipettes, thermometers,
240                                                        Frey #15575325    2
    rubber stoppers, beakers, funnel, gas delivery
    tube, graduated cylinders, porcelain dish, test
    tubes, and misc. hardware

    Digital Thermometer with Extension Probe-
    removable stainless steel 12cm probe;
                                                                                                                                                                                                                                    TB 23036
241 measurement range: -50 deg C to 200 Deg C              Flinn #AP8559    15                                                                                                                                         20.99
                                                                                                                                                                                                                                           page 161
    and -58 deg F; accuracy +/- 1 deg C; 1 AAA
    battery included


                                                                                                                               Page 61 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                            FISHER SCIENCE                    FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                         NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                               EDUCATION                                                                                           AQUARIUM INC.
                                                                                   Unit                                Unit                              Unit                             Unit                             Unit
Item                     Description                         Bid or Equal   Qty.          Price    Brand and Model            Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
    Brush, Test Tube, Black China Bristle; 2.5" x          Carolina
230                                                                         15
    1.25"; length 10.5"                                    #CE-70-6052

       Tabletop Steam Distiller; stainless steel
231                                                        Frey #15591138    2                                                                             383.88         As Specified
       condensing coil; auto shut off; 5 gal per day


232 Merit Water Still; 4 liters per hour output            Flinn #AP8897     3       785.84        S50923 page 1015     1,114.6067      As Specified       928.20          15594435


    Electric Autoclave- Al construction: pressure
    gauge; steam release petcock; thermostatic             Boreal Lab
233                                                                          1       392.26        S50395M page 1012                                       463.68          15598551                                          421.68          Z02779M
    controlled; pilot light; 120 volt AC; 1000 watts;      #65718-02
    steam at 120 deg C; 24 liter capacity

    Six Place Centrifuge with Timer- top speed 3500
                                                    Boreal Lab
234 rpms; automatic shutdown; transparent                                    1       295.02         S49018 page 884
                                                    #46903-00
    polycarbonate cover

    Pro-S Lab Station- Solderless breadboard; with
    840 tie points; mounted on a 18 x 10cm base; 3
                                                           Sargent Welch
235 binding posts; adapter plugs directly into                               8
                                                           #WL-2105
    breadboard; operates on 110 volts AC; includes
    assortment of 65 jumper wires and manual


236 Lab Oven; 1200 watt; temp. to 225 degrees C            Flinn #AP1193     1       351.63         S50170A pge 988      470.30         As Specified       424.20          15592647                                          432.00          SB26218M


       Meter Sticks- oak construction, metal ends          NASCO
237                                                                         330       3.20          S32052 page 980                                                                                                           2.00          As Specified
       English one side Metric other                       #SB12161M

                                                                                                                                                                                                                           .77 each
                                                           Carolina                 17.01         45MM S43153
238 Compass- 42mm; pack of 12, black faced                                  11                                                                                                                                                 ($9.24         SA00259
                                                           #RG-75-8678               pk/12            page 651
                                                                                                                                                                                                                             /    12
    pH meter- digital; range 0.00 - 14.00 pH;
239 resolution .01 pH; accuracy better than +/- .2 pH; Flinn #AP8673        15       17.44          S60032 page 381      24.336         As Specified       29.65           15564613                                          20.83           SB22540M
    calibration 2 point

    Basic Equipment Unit- pegboard, test tube
    holder, test tube clips, burner stand, filter paper,
    scoopula, lastic dropper pipettes, thermometers,
240                                                        Frey #15575325    2                                                                             71.40          As Specified                                       67.61           SB33111M
    rubber stoppers, beakers, funnel, gas delivery
    tube, graduated cylinders, porcelain dish, test
    tubes, and misc. hardware

    Digital Thermometer with Extension Probe-
    removable stainless steel 12cm probe;
241 measurement range: -50 deg C to 200 Deg C              Flinn #AP8559    15       58.64         1507711 page 1394     26.832         As Specified
    and -58 deg F; accuracy +/- 1 deg C; 1 AAA
    battery included


                                                                                                                                         Page 62 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                      NEBRASKA SCIENTIFIC                    SARGENT-WELCH                   SCIENCE KIT & BOREAL                   SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                 LABORATORIES                                                           SCIENCE EST.
                                                                                   Unit                             Unit                                   Unit                                  Unit                             Unit
Item                     Description                         Bid or Equal   Qty.          Price   Brand and Model          Price    Brand and Model               Price   Brand and Model               Price   Brand and Model          Price   Brand and Model
    Brush, Test Tube, Black China Bristle; 2.5" x          Carolina                                                                S9985
230                                                                         15                                         0.60
    1.25"; length 10.5"                                    #CE-70-6052                                                                     white bristle

       Tabletop Steam Distiller; stainless steel
231                                                        Frey #15591138    2
       condensing coil; auto shut off; 5 gal per day


232 Merit Water Still; 4 liters per hour output            Flinn #AP8897     3                                        808.08                 S27408         1,018.58          SK45000-00


    Electric Autoclave- Al construction: pressure
    gauge; steam release petcock; thermostatic             Boreal Lab
233                                                                          1                                        415.00               S8617-006         539.74           As Specified                                          587.00           14-9002
    controlled; pilot light; 120 volt AC; 1000 watts;      #65718-02
    steam at 120 deg C; 24 liter capacity

    Six Place Centrifuge with Timer- top speed 3500
                                                    Boreal Lab
234 rpms; automatic shutdown; transparent                                    1                                        271.15          MISC-4690300           304.00           As Specified
                                                    #46903-00
    polycarbonate cover

    Pro-S Lab Station- Solderless breadboard; with
    840 tie points; mounted on a 18 x 10cm base; 3
                                                           Sargent Welch
235 binding posts; adapter plugs directly into                               8                                        65.57            As Specified
                                                           #WL-2105
    breadboard; operates on 110 volts AC; includes
    assortment of 65 jumper wires and manual

                                                                                                                                                                          *SK we offer:
236 Lab Oven; 1200 watt; temp. to 225 degrees C            Flinn #AP1193     1                                        368.93                 S64078          483.84
                                                                                                                                                                           45385-00 (page 790)

       Meter Sticks- oak construction, metal ends          NASCO
237                                                                         330                                        2.49                  S44695           3.48            SK62425-00
       English one side Metric other                       #SB12161M

                                                           Carolina                                                                                                       40 mm
238 Compass- 42mm; pack of 12, black faced                                  11                                                                               21.48
                                                           #RG-75-8678                                                                                                       SK61190-00G

    pH meter- digital; range 0.00 - 14.00 pH;
239 resolution .01 pH; accuracy better than +/- .2 pH; Flinn #AP8673        15                                        27.05                S300 17-85        34.95            SK45159-00
    calibration 2 point

    Basic Equipment Unit- pegboard, test tube
    holder, test tube clips, burner stand, filter paper,
    scoopula, lastic dropper pipettes, thermometers,
240                                                        Frey #15575325    2
    rubber stoppers, beakers, funnel, gas delivery
    tube, graduated cylinders, porcelain dish, test
    tubes, and misc. hardware

    Digital Thermometer with Extension Probe-
    removable stainless steel 12cm probe;
241 measurement range: -50 deg C to 200 Deg C              Flinn #AP8559    15                                                                               26.89            SK45562-01
    and -58 deg F; accuracy +/- 1 deg C; 1 AAA
    battery included


                                                                                                                                           Page 63 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS               CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                               Unit                        Unit                             Unit                             Unit                             Unit
Item                     Description                       Bid or Equal   Qty.   Price   Brand and Model       Price    Brand and Model            Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
    Compact Portable Electronic Scale; capacity         Carolina                                                       Aquatic Ecosys.
242                                                                       40                                 110.00                           87.40          As Specified
    5000g x 2.0g                                        #CE-70-2217                                                            #SB5

243 Hoffman Electrolysis Apparatus                      Wards #15W8200     2

                                                        Wards
244 Electrical Supply Set                                                  2
                                                        #SB27441M

       Hot Plate; Corning Model PC200; 4" x 5"          Carolina                                                       Aquatic Ecosys.                                                                                       TB 41245
245                                                                       27                                 165.00                           154.13         As Specified                                       177.77
       surface; 550 deg. C maximum temperature          #CE701011A                                                            #LMP1                                                                                                page 157


       Tape Measure (metric)- flexible fiberglass:                                                                                                                                                                           TB 518
246                                                     Flinn #FB0524      4                                                                                                                                     3.99
       package of 10                                                                                                                                                                                                                       page 21

    Stopwatch- water and shock resistant; LCD
                                                        Fisher                                                         Aquatic Ecosys.                                                                                       TB 4678
247 digital; resolution of 1/100 second; o-ring sealed;                   140                                20.00                                                                                               4.21
                                                        #CDS40799-7                                                          #365528                                                                                                    page 18
    battery and lanyard included

    Variable Control Hotplate- 3 ring tubular
                                                                                                                                                                                                                             TB 18113
248 element; 120 volts, 1100 watts, removable well,     Frey #15565573    12                                                                                                                                    25.36
                                                                                                                                                                                                                                        page 157
    lift-up heating element; 10" x 9" x 4"


       Hot Plate; 5" x 5" steel top enameled; self        Sargent Welch                                                                                                                                                      TB 71044
249                                                                        8                                                                                                                                    105.46
       regulating temperature control, at least 400 deg C #WLS41002                                                                                                                                                                     page 157

                                                        Carolina
250 Student Labware Kit                                                   12                                                                  44.78          As Specified
                                                        #CE717810
       Dewar Flask- small Diameter; 302mm inside
251                                                     Flinn #AP1490      1
       depth; capacity 1000ml

    Waterbath; 9 liter stainless steel tank; temp.
                                                        Carolina                                                       Aquatic Ecosys.
252 Range up to 65 deg. C without lid, 100 deg. C                          2                                 378.00                           274.50         As Specified
                                                        #RG216248                                                           #1250020D
    with lid, temp. control +/- 0.5 deg.


253 Hand Held Generator; at least 5.5 volts             Frey #15578599    17


    Student Balance- 2000g capacity; 1g sensitivity;
                                                        NASCO                                                                                                                                                                TB 20729
254 zero adjust knob; 2 removable pans; with                               5                                                                                                                                    93.43
                                                        #SB16480M                                                                                                                                                                       page 148
    assorted weight set

    Precision Balance with weights- built-in weight
                                                        NASCO
255 case; 2 deep removable pans; 2000g capacity;                           5
                                                        #TB18490M
    zero adjust knob; assorted weight set




                                                                                                                            Page 64 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                          FISHER SCIENCE                      FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                          NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                             AQUARIUM INC.
                                                                                 Unit                                  Unit                              Unit                             Unit                             Unit
Item                     Description                       Bid or Equal   Qty.          Price     Brand and Model             Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price      Brand and Model
    Compact Portable Electronic Scale; capacity         Carolina
242                                                                       40       69.77           S63464 page 836                                                                                                           70.59               SB31435M
    5000g x 2.0g                                        #CE-70-2217

243 Hoffman Electrolysis Apparatus                      Wards #15W8200     2       115.70          S43494 page 347                                         144.06          15576783                                          124.04              SB11120M

                                                        Wards                                                                                                                                                                             NASCO
244 Electrical Supply Set                                                  2                                                                                                                                               35.27 / set
                                                        #SB27441M                                                                                                                                                                             # SB27441M

       Hot Plate; Corning Model PC200; 4" x 5"          Carolina
245                                                                       27       123.41         S50442HP page 974                                        140.28          15593796                                          129.86              SB28687M
       surface; 550 deg. C maximum temperature          #CE701011A


       Tape Measure (metric)- flexible fiberglass:                                 4.53
246                                                     Flinn #FB0524      4                       S40507 page 979      17.2325         As Specified        4.58           15264492                                         3.45 / st            TB15183M
       package of 10                                                               pk/10

    Stopwatch- water and shock resistant; LCD
                                                        Fisher                                   As Specified
247 digital; resolution of 1/100 second; o-ring sealed;                   140       6.09
                                                        #CDS40799-7                                    page 1040
    battery and lanyard included

    Variable Control Hotplate- 3 ring tubular
                                                                                                                                                                                                                                          SB12179M
248 element; 120 volts, 1100 watts, removable well,     Frey #15565573    12       20.64          S50411LC page 353                                        42.80          As Specified                                       11.90
                                                                                                                                                                                                                                          See attached specifications
    lift-up heating element; 10" x 9" x 4"


       Hot Plate; 5" x 5" steel top enameled; self        Sargent Welch
249                                                                        8       82.53           S50441 page 974                                         92.36           15571583
       regulating temperature control, at least 400 deg C #WLS41002

                                                        Carolina
250 Student Labware Kit                                                   12                                                                               35.70           15574043                                          31.35               SA08837M
                                                        #CE717810
       Dewar Flask- small Diameter; 302mm inside
251                                                     Flinn #AP1490      1       52.29            101950 page 368      84.91          As Specified
       depth; capacity 1000ml

    Waterbath; 9 liter stainless steel tank; temp.
                                                        Carolina
252 Range up to 65 deg. C without lid, 100 deg. C                          2
                                                        #RG216248
    with lid, temp. control +/- 0.5 deg.


253 Hand Held Generator; at least 5.5 volts             Frey #15578599    17       15.12           S43940 page 683                                         19.28          As Specified                                       16.25               SB31276M


    Student Balance- 2000g capacity; 1g sensitivity;
                                                        NASCO
254 zero adjust knob; 2 removable pans; with                               5       21.13           S42021A page 850                                        30.66           15560944                                          19.66               As Specified
                                                        #SB16480M
    assorted weight set

    Precision Balance with weights- built-in weight
                                                        NASCO                                   S42021A page 850
255 case; 2 deep removable pans; 2000g capacity;                           5       21.13                                                                                                                                     21.50               As Specified
                                                        #TB18490M                                  SI Metric # 91700
    zero adjust knob; assorted weight set




                                                                                                                                         Page 65 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                    NEBRASKA SCIENTIFIC                    SARGENT-WELCH                      SCIENCE KIT & BOREAL              SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                  LABORATORIES                                                      SCIENCE EST.
                                                                                 Unit                             Unit                                      Unit                             Unit                             Unit
Item                     Description                       Bid or Equal   Qty.          Price   Brand and Model          Price      Brand and Model                Price   Brand and Model          Price   Brand and Model          Price   Brand and Model
    Compact Portable Electronic Scale; capacity         Carolina
242                                                                       40                                        68.97               65500-200             92.88           SK47190-02
    5000g x 2.0g                                        #CE-70-2217

                                                                                                                                   S29125
243 Hoffman Electrolysis Apparatus                      Wards #15W8200     2                                        238.24                                                                                                      122.50         As Specified
                                                                                                                                      offer page 521

                                                        Wards
244 Electrical Supply Set                                                  2
                                                        #SB27441M

       Hot Plate; Corning Model PC200; 4" x 5"          Carolina
245                                                                       27                                        123.85              S41000-A              191.44          SK62083-05                                        169.81           15-8071
       surface; 550 deg. C maximum temperature          #CE701011A


       Tape Measure (metric)- flexible fiberglass:                                                                3.87           0175D-01                                  100 cmi PK/12
246                                                     Flinn #FB0524      4                                                                                  10.47
       package of 10                                                                                                     / 10         see page 916                             SK66836-12

    Stopwatch- water and shock resistant; LCD
                                                        Fisher
247 digital; resolution of 1/100 second; o-ring sealed;                   140                                        9.19               62379-460
                                                        #CDS40799-7
    battery and lanyard included

    Variable Control Hotplate- 3 ring tubular
                                                                                                                                 S41340-10
248 element; 120 volts, 1100 watts, removable well,     Frey #15565573    12                                        33.66                                                                                                       52.20            15-8000
                                                                                                                                      see page 1205
    lift-up heating element; 10" x 9" x 4"


       Hot Plate; 5" x 5" steel top enameled; self        Sargent Welch
249                                                                        8                                        82.83              As Specified
       regulating temperature control, at least 400 deg C #WLS41002

                                                        Carolina
250 Student Labware Kit                                                   12                                        33.31                S44021               42.62           SK65545-00
                                                        #CE717810
       Dewar Flask- small Diameter; 302mm inside                                                                                 63422-061
251                                                     Flinn #AP1490      1                                        63.20                                     107.00          SK64141-00
       depth; capacity 1000ml                                                                                                                see attached

    Waterbath; 9 liter stainless steel tank; temp.
                                                        Carolina
252 Range up to 65 deg. C without lid, 100 deg. C                          2
                                                        #RG216248
    with lid, temp. control +/- 0.5 deg.


253 Hand Held Generator; at least 5.5 volts             Frey #15578599    17


    Student Balance- 2000g capacity; 1g sensitivity;
                                                        NASCO
254 zero adjust knob; 2 removable pans; with                               5                                                                                  27.27           SK46702-00
                                                        #SB16480M
    assorted weight set

    Precision Balance with weights- built-in weight
                                                        NASCO
255 case; 2 deep removable pans; 2000g capacity;                           5
                                                        #TB18490M
    zero adjust knob; assorted weight set




                                                                                                                                       Page 66 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                Contract Period: 7/9/2002 - 7/8/2003                                   ARBOR SCIENTIFIC         AQUATIC ECO-SYSTEMS             CAROLINA BIOLOGICAL                   DELTA EDUCATION                    ETA/CUISENAIRE
                                                                                  Unit                        Unit                           Unit                             Unit                             Unit
Item                      Description                         Bid or Equal   Qty.   Price   Brand and Model       Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price     Brand and Model
    Metal Black Thermometer 12 pack- 61/2", spirit-
256 filled with double scale of -20 deg./230 deg. F & Frey #15561174         20
    30 deg./110 deg. C

    Non-Mercury Thermometer 12 pack: range: -20
257 to 150 deg. C; total immersion; accuracy range          Flinn #AP8871     8
    +/- 1 deg. C.

    Digital thermometer: temp. range -50 to 150
                                                                                                                                                                                                                              TB 23036
258 deg. C; Celsius and Fahrenheit button; data hold        Flinn #AP8716    10                                                                                                                                  20.99
                                                                                                                                                                                                                                         page 161
    button; .7 sec sampling rate; auto shut-off

                                                   LAB FURNITURE

       Adjustable Laboratory Stool- Adjusts from 25"
259                                                         Flinn #AP6207    35
       to 33"; scratch resistant heavy duty tubular steel


    Plant Growth Cart; 4 fixed shelves, 4 adjustable
                                                            Carolina                                                                                                                                                          TB 41618
260 light fixtures, 2 20 watt Fluorescent Lamps; size                         1                                                                403.75         As Specified                                       366.23
                                                            #CE199716                                                                                                                                                                    page 58
    70" x 27" x 23"

       Storage Cabinet with Tote Trays; solid oak, 48       Carolina
261                                                                           6                                                               1,596.00        As Specified
       tote trays, 461/2" x 22" x 84"; 350lbs               #CE705384


    Lab Table; 72" x 24" x 30"; plastic laminate top;
    120lbs black top, .05" thick sheet of Nevamar
    ARP High Pressure laminate to 1 45lb density;     Carolina                                                                                                                                                                TB 92386
262                                                                           8                                                                354.00         As Specified                                       337.14
    industrial grade Underside is covered with a .04" #CE705144                                                                                                                                                                          page 163
    thick brown Phenolic Backer sheet: solid oak
    aprons; steel corner braces


    Display Case: 48" x 70" x 18"; oak or hard wood
263 framing; tempered safety glass; built-in door   Frey #15590284            1
    locks; Adjustable glass shelves;


    Metal Mobile Cabinet; 16 gauge steel 5" heavy
                                                            Carolina
264 duty casters; 4 locking drawers; 1 cupboard;                              6                                                                               Discontinued
                                                            #CE705110
    push handle; 36 x 21 x 34; gray color

    Biorack; Jewel; mobile unit; tubular steel; bolted
                                                       Carolina
265 on shelves; includes 2 terraria; 2 aquaria; 2                             2                                                               1,072.55        As Specified
                                                       #CE666770
    animal cages; 52x 16 x56




                                                                                                                             Page 67 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                             FISHER SCIENCE                         FLINN SCIENTIFIC CO.                 FREY SCIENTIFIC               MARINE WAREHOUSE                           NASCO
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                EDUCATION                                                                                                AQUARIUM INC.
                                                                                    Unit                                     Unit                              Unit                             Unit                             Unit
Item                      Description                         Bid or Equal   Qty.          Price      Brand and Model               Price   Brand and Model           Price   Brand and Model          Price   Brand and Model          Price      Brand and Model
                                                                                                   S41570 page 503
    Metal Black Thermometer 12 pack- 61/2", spirit-
                                                                                                          (sold as each)
256 filled with double scale of -20 deg./230 deg. F & Frey #15561174         20      .82 each                                                                    14.99           15561674
                                                                                                               United #
    30 deg./110 deg. C
                                                                                                          THMCF1
    Non-Mercury Thermometer 12 pack: range: -20
257 to 150 deg. C; total immersion; accuracy range          Flinn #AP8871     8                                               113.4725        As Specified        3.02           15585066                                           1.05               SB23913M
    +/- 1 deg. C.

    Digital thermometer: temp. range -50 to 150
258 deg. C; Celsius and Fahrenheit button; data hold        Flinn #AP8716    10       17.08          S407993 page 1036         18.192         As Specified       17.01           15572569                                          20.80               SB23953M
    button; .7 sec sampling rate; auto shut-off

                                                   LAB FURNITURE

       Adjustable Laboratory Stool- Adjusts from 25"
259                                                         Flinn #AP6207    35                                                41.232         As Specified
       to 33"; scratch resistant heavy duty tubular steel


    Plant Growth Cart; 4 fixed shelves, 4 adjustable
                                                            Carolina
260 light fixtures, 2 20 watt Fluorescent Lamps; size                         1                                                                                  368.68          15584802                                          488.57              SB26460M
                                                            #CE199716
    70" x 27" x 23"

       Storage Cabinet with Tote Trays; solid oak, 48       Carolina
261                                                                           6
       tote trays, 461/2" x 22" x 84"; 350lbs               #CE705384


    Lab Table; 72" x 24" x 30"; plastic laminate top;
                                                                                                                                                                                                                                                Z10274M
    120lbs black top, .05" thick sheet of Nevamar
                                                                                                     S7301K                                                                                                                                     All or none to one
    ARP High Pressure laminate to 1 45lb density;     Carolina
262                                                                           8       495.00       Diversified 7301K                                                                                                               269.15               location. 8 - 10
    industrial grade Underside is covered with a .04" #CE705144
                                                                                                        Dock Delivery Only                                                                                                                       wks tailgate
    thick brown Phenolic Backer sheet: solid oak
                                                                                                                                                                                                                                                          delivery
    aprons; steel corner braces


    Display Case: 48" x 70" x 18"; oak or hard wood
263 framing; tempered safety glass; built-in door   Frey #15590284            1
    locks; Adjustable glass shelves;


    Metal Mobile Cabinet; 16 gauge steel 5" heavy
                                                            Carolina
264 duty casters; 4 locking drawers; 1 cupboard;                              6
                                                            #CE705110
    push handle; 36 x 21 x 34; gray color

    Biorack; Jewel; mobile unit; tubular steel; bolted
                                                       Carolina
265 on shelves; includes 2 terraria; 2 aquaria; 2                             2                                                                                 1,196.58         15575988
                                                       #CE666770
    animal cages; 52x 16 x56




                                                                                                                                               Page 68 of 73
           Bid # 2002-29
            Science Supplies & Equipment
                                                                                       NEBRASKA SCIENTIFIC                    SARGENT-WELCH                       SCIENCE KIT & BOREAL                    SEO ENTERPRISES INC.             WARD'S NATURAL
                Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                      LABORATORIES                                                            SCIENCE EST.
                                                                                    Unit                             Unit                                       Unit                                   Unit                             Unit
Item                      Description                         Bid or Equal   Qty.          Price   Brand and Model          Price      Brand and Model                 Price     Brand and Model              Price   Brand and Model          Price   Brand and Model
    Metal Black Thermometer 12 pack- 61/2", spirit-
256 filled with double scale of -20 deg./230 deg. F & Frey #15561174         20
    30 deg./110 deg. C

    Non-Mercury Thermometer 12 pack: range: -20
                                                                                                                                    S80009-C 25/pk x 4
257 to 150 deg. C; total immersion; accuracy range          Flinn #AP8871     8                                         6.44
                                                                                                                                          offer page 1274
    +/- 1 deg. C.

    Digital thermometer: temp. range -50 to 150
                                                                                                                                    S81582
258 deg. C; Celsius and Fahrenheit button; data hold        Flinn #AP8716    10                                        20.30                                      26.83             SK45277-01
                                                                                                                                         see page 1279
    button; .7 sec sampling rate; auto shut-off

                                                   LAB FURNITURE

       Adjustable Laboratory Stool- Adjusts from 25"                                                                                G351A                                        23" - 28"
259                                                         Flinn #AP6207    35                                        33.95                                      178.50
       to 33"; scratch resistant heavy duty tubular steel                                                                                offer see page 951                          SK47235-00


    Plant Growth Cart; 4 fixed shelves, 4 adjustable                                                                                9187 +
                                                            Carolina                                                                                                           SK69855-00
260 light fixtures, 2 20 watt Fluorescent Lamps; size                         1                                        147.93        Light Fixtures - S44292,     226.88
                                                            #CE199716                                                                                                              w/ 68958-01A
    70" x 27" x 23"                                                                                                                           Qty. 4

       Storage Cabinet with Tote Trays; solid oak, 48       Carolina
261                                                                           6                                                                                                                                                          1,695.00          30-0000
       tote trays, 461/2" x 22" x 84"; 350lbs               #CE705384


    Lab Table; 72" x 24" x 30"; plastic laminate top;
    120lbs black top, .05" thick sheet of Nevamar
    ARP High Pressure laminate to 1 45lb density;     Carolina                                                                      G4406 w/ leg boots
262                                                                           8                                        271.00                                     391.50            SK63840-12                                            375.00           30-0000
    industrial grade Underside is covered with a .04" #CE705144                                                                        offer see page 938
    thick brown Phenolic Backer sheet: solid oak
    aprons; steel corner braces


    Display Case: 48" x 70" x 18"; oak or hard wood
263 framing; tempered safety glass; built-in door   Frey #15590284            1                                                                                                                                                          1,400.00          30-8153
    locks; Adjustable glass shelves;


    Metal Mobile Cabinet; 16 gauge steel 5" heavy
                                                            Carolina
264 duty casters; 4 locking drawers; 1 cupboard;                              6                                                                                                                                                          1,275.00          21-6932
                                                            #CE705110
    push handle; 36 x 21 x 34; gray color

    Biorack; Jewel; mobile unit; tubular steel; bolted
                                                       Carolina                                                                                                                *SK we offer:
265 on shelves; includes 2 terraria; 2 aquaria; 2                             2                                        879.53               S83561-A             1,121.24                                                                 625.00           20-7190
                                                       #CE666770                                                                                                                 60192-11 (page 227)
    animal cages; 52x 16 x56




                                                                                                                                           Page 69 of 73
          Bid # 2002-29
           Science Supplies & Equipment
               Contract Period: 7/9/2002 - 7/8/2003                                 ARBOR SCIENTIFIC              AQUATIC ECO-SYSTEMS                     CAROLINA BIOLOGICAL                                 DELTA EDUCATION                              ETA/CUISENAIRE
                                                                               Unit                             Unit                                   Unit                                           Unit                                       Unit
Item                    Description                       Bid or Equal    Qty.   Price       Brand and Model        Price      Brand and Model                Price      Brand and Model                     Price     Brand and Model                  Price     Brand and Model

       Planter Work Center; Jewel 323; heavy wood
       grained laminate; 1" square tubular steel; 3 front Carolina
266                                                                        2                                                                             527.25              As Specified
       bins; 1 large Waste receptacle; peg board tool     #CE666730
       rack; push handle; 52 x 24 x 38

       Steel based Table- frames of 11/4" 16 gauge
       square tubing; adjustable legs; set-screw locking Carolina
267                                                                       15                                                                             368.60              As Specified
       mechanism; adjustable from 20" to 36" high; 24" #RG-704474
       x 54"; black Phenolic resin top

    Traditional Mobile Equipment Cart; Model
                                                       School Specialty
268 34E4; 3 shelves, 24" x 34" x 18" electrical unit                       3
                                                       #652277N
    included


       ACCEPTS VISA PURCHASING CARD?                                                            YES                             YES                                       YES                                           YES                                        YES
       SECTION TWO
                                                                               0%                                5.0%                                  5%                                             $0 - $99.99 = LIST PRICE                     16%
                                                                                 ~ 5% Freight                     ~FOB Apopka, FL unless otherwise                                                       $100.00 - 999.99 = 5% discount              ~Free Shipping - minimum order
       Balance of Catalog Percentage Discount                                                                                                             ~Prices will be Freight Prepaid on all
                                                                                                                                                                                                                over $1000 = 10% discount
                                                                               AREA REPRESENTATIVE:               listed in catalog.                       orders except for perishable                                                             $25.00
                                                                                                                ~Larger discounts are on a                                                                                 ~ S/H charges as       ~Staff Development Workshops
                                                                               Ericka Meyer                                                               material, which will be F.O.B.
                                                                                                                       quote-by-quote basis.                                                          follows:                 $0 - $24.99 = $5                   are not subject to the
                                                                                P.O. Box 2750                                                          origin. Motor freight shipments
                                                                                                                           AREA REPRESENTATIVE:                                                                                 $25 - $49.99 = catalog discounts in this bid.
                                                                               Ann Arbor, MI 48106                                                         are dock delivery only.
                                                                                                                                              Cheryl                                                  $7.50                        $50 - $99.99 =                          AREA
                                                                               Tel (800) 367-6695                                                                           ~This agreement
                                                                                                                 Pawlak                                                                                $10                    $100 - $499.99 = REPRESENTATIVE:
                                                                                 Fax (734) 913-6201                                                      covers all items listed in Catalog No.
                                                                                                                1767 Benbow Ct.                                                                         10%                  $500 - $999.99 =      Norm Johnson
                                                                                     email: mail@arborsci.com                                             72, 73                           and
                                                                                                                        Apopka, FL 32703                                                              5%                   over $1000 = 3%               Tel. 800-445-5985
                                                                                                                                                         Carolina Tips.
                                                                                                                                  Tel (407) 886-3939                                                                      ~The above discounts                  Fax 888-333-9588
                                                                                                                                                        ~STC and STC/MS kits, refurbishment
                                                                                                                                      email:                                                               pertain to the Hands on Science                                    email:
                                                                                                                                                       sets & printed material will be sold at list
                                                                                                                          aes@aquaticeco.com                                                           catalog only. Items excluded from this          njohnson@etacuisenaire.com
                                                                                                                                                          price w/ no discount.
                                                                                                                                                                                                        contract are FOSS, SCIS, DSM and
                                                                                                                                                         ~PROPOSAL # P103232 MUST BE
                                                                                                                                                                                                         any items not          listed in these
                                                                                                                                                         ON ALL ORDERS.
                                                                                                                                                                                                         catalogs.                           ~
                                                                                                                                                         AREA REPRESENTATIVE:
                                                                                                                                                                                                            "THE WORDING "CATALOG
                                                                                                                                                         Richard Rhyne
                                                                                                                                                                                                       DISCOUNT" MUST BE
                                                                                                                                                          (828) 387-3579
                                                                                                                                                                                                      ON ALL ORDERS
                                                                                                                                                          email: richard.rhyne@carolina.com
                                                                                                                                                                                                               ~No extension of this bid is
                                                                                                                                                                                                      available to other agencies.
                                                                                                                                                                                                              AREA REPRESENTATIVE:
                                                                                                                                                                                                              Dot Rivard
                                                                                                                                                                                                           Tel. 800 258-1302
                                                                                                                                                                                                             Fax 800-282-9560         email:
                                                                                                                                                                                                                drivard@delta-edu.com




                                                                                                                                   Page 70 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                          FISHER SCIENCE                          FLINN SCIENTIFIC CO.                          FREY SCIENTIFIC                          MARINE WAREHOUSE                            NASCO
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                             EDUCATION                                                                                                                     AQUARIUM INC.
                                                                                 Unit                                      Unit                                       Unit                                        Unit                               Unit
Item                    Description                       Bid or Equal    Qty.          Price    Brand and Model                  Price    Brand and Model                   Price    Brand and Model                    Price     Brand and Model          Price     Brand and Model

       Planter Work Center; Jewel 323; heavy wood
                                                                                                S17617MF page 243
       grained laminate; 1" square tubular steel; 3 front Carolina
266                                                                        2       484.04        Dock to Dock                                                           517.44              15564269
       bins; 1 large Waste receptacle; peg board tool     #CE666730
                                                                                                     delivery only
       rack; push handle; 52 x 24 x 38

       Steel based Table- frames of 11/4" 16 gauge
       square tubing; adjustable legs; set-screw locking Carolina
267                                                                       15
       mechanism; adjustable from 20" to 36" high; 24" #RG-704474
       x 54"; black Phenolic resin top

    Traditional Mobile Equipment Cart; Model
                                                       School Specialty
268 34E4; 3 shelves, 24" x 34" x 18" electrical unit                       3
                                                       #652277N
    included


       ACCEPTS VISA PURCHASING CARD?                                                              YES                                       YES                                         YES                                         YES                                YES
       SECTION TWO
                                                                                  17% Equipment (items over $500)           4%      on most Flinn Catalog Items.      16% (from the each price)                                                      15%
       Balance of Catalog Percentage Discount                                     30% Bottled chemicals                       ~Shipping is free EXCEPT for live                                ~ Free Shipping               No information given              5% off furniture
                                                                                   27% Supplies (items under $500)         material, lab furniture, items requiring      does not apply to lives, hazardous                                                        ~NASCO QUOTE # 02-
                                                                                                                              truck freight, technology products,      chemicals, lab furniture & motor freight
                                                                                     ~Free shipping, EXCLUDES: live                                                                                                                                  35525 MUST BE ON ALL ORDERS.
                                                                                                                          current hazardous material surcharges       items.                       ~ Hazardous
                                                                                    materiall and all prodicts w/ catalog                                                                                                                                                  ~Minimum order of
                                                                                                                           levied by the carrier.                        chemicals            excluded from
                                                                                   numbers ending w/ an asterisk (*) or                                                                                                                              $50.00
                                                                                                                          ~NO DISCOUNT on: live material, lab         discount.                  **CONTRACT
                                                                                 "MF". A Hazardous Material Surcharge                                                                                                                                          ~F.O.B. Destinatione except
                                                                                                                                  furniture, computer software,           # C917041F MUST BE ON ALL
                                                                                   will be added to                                                                                                                                                    numbers w/ LM prefix (living material),
                                                                                                                                technology products, the FLINN        ORDERS**
                                                                                 each shipment involving                                                                                                                                                  which are FOB shipping point and
                                                                                                                                Spectrophotometer (AP8685) &               NO AREA REPRESENTATIVE
                                                                                            hazardous materials.                                                                                                                                       shipped on request. Any live material
                                                                                                                             accessories.                                             800-225-3739
                                                                                                     ~These discounts                                                                                                                                     shipment totaling less than $30 is
                                                                                  exclude live material and items ending AREA REPRESENTATIVE:                                                                                                        subject to a $5 handling charge.
                                                                                 in "ND".                  ~ REFERENCE      Kevin Theesfeld                                                                                                                       ~ A $20 hazardous svc chg
                                                                                                                            Tel. 630-879-6900                                                                                                          will be added to all chemicals listed in
                                                                                        # 67105 B02 & ACCOUNT #
                                                                                                                            Fax 630-879-6962                                                                                                          the catalog w/ a diamond insignia. Any
                                                                                      147145001 MUST BE ON ALL
                                                                                                                                    email: flinn@flinnsci.com                                                                                          KM chemical shipment totaling
                                                                                   ORDERS.
                                                                                 ACCOUNT REPRESENTATIVE:                                                                                                                                             less than $15 is subject to a
                                                                                          Henry Law                                                                                                                                                            $3 handling charge.
                                                                                              Tel. 770-834-9537                                                                                                                                                         ~Truck shipments are
                                                                                                     Fax 770-834-8720                                                                                                                                   tailgate delivery ~Xenopus frogs are
                                                                                                               email:                                                                                                                                excluded from this bid.
                                                                                            hlaw@fisheredu.com                                                                                                                                                                     AREA
                                                                                                                                                                                                                                                     REPRESENTATIVE:
                                                                                                                                                                                                                                                                Dave Johnson
                                                                                                                                                                                                                                                                  Tel. 800-558-9595
                                                                                                                                                                                                                                                                         Fax 920-563-8296




                                                                                                                                                Page 71 of 73
          Bid # 2002-29
           Science Supplies & Equipment
                                                                                     NEBRASKA SCIENTIFIC                             SARGENT-WELCH                         SCIENCE KIT & BOREAL                   SEO ENTERPRISES INC.                 WARD'S NATURAL
               Contract Period: 7/9/2002 - 7/8/2003
                                                                                                                                                                               LABORATORIES                                                               SCIENCE EST.
                                                                                 Unit                                       Unit                                         Unit                                  Unit                                 Unit
Item                    Description                       Bid or Equal    Qty.          Price     Brand and Model                  Price     Brand and Model                    Price   Brand and Model               Price   Brand and Model              Price    Brand and Model

       Planter Work Center; Jewel 323; heavy wood
                                                                                                                                                                                                                                                                   30-000
       grained laminate; 1" square tubular steel; 3 front Carolina
266                                                                        2                                                   419.00             24909-TRK                554.52          SK65655-00                                                 299.00           **See attached
       bins; 1 large Waste receptacle; peg board tool     #CE666730
                                                                                                                                                                                                                                                                      documentation**
       rack; push handle; 52 x 24 x 38

       Steel based Table- frames of 11/4" 16 gauge
       square tubing; adjustable legs; set-screw locking Carolina
267                                                                       15
       mechanism; adjustable from 20" to 36" high; 24" #RG-704474
       x 54"; black Phenolic resin top

    Traditional Mobile Equipment Cart; Model
                                                       School Specialty
268 34E4; 3 shelves, 24" x 34" x 18" electrical unit                       3
                                                       #652277N
    included


       ACCEPTS VISA PURCHASING CARD?                                                               YES                                         YES                                       YES                                   YES                                    NO
       SECTION TWO
                                                                                   10%                                        14%                                          10%                                  25%                                   10%
       Balance of Catalog Percentage Discount                                       ~FOB Ship Point                          ~FOB Destination on                         ~Live, Preserved & Special Order items ~No Shipping Charges                 ~Free Shipping Except: Live Material,
                                                                                 (school to pay freight)                     orders > $150.00                                are excluded from the discount.     ~Video Systems & Accessories         Hazardous Chemicals & motor
                                                                                       ~Discount does not apply to other         ~Hazardous Materials                       ~Living materials, hazard material     15% Disc.                        freight items.
                                                                                 specials or promotions                     Surcharge will apply                         surcharges, motor freight items & items ~OHAUS Balances prices as listed            ~ QUOTE # 205498-115 MUST
                                                                                           ~See attachments to Tab                  ~Catalog Items designated by a            requested by an air service are    AREA REPRESENTATIVE:                         BE ON ALL ORDERS
                                                                                 Sheet                   for illustrations   catalog price ending in "9" (I.e., xx.09,   excluded from free shipping.              Tom Ludwick                                              AREA
                                                                                                                AREA          5.49, 12.89, etc…) will be shipped at              ~10 to 30 days A.R.O.           5804 Brannen Rd South               REPRESENTATIVE:              Wayne
                                                                                 REPRESENTATIVE:                       Neal catalog NET price.                             ~Quote # SE22037 MUST be               Lakeland, FL 33813                Marcus                       P.O. Box
                                                                                   Brenner                          3823             ~SW QUOTE # VBQ-959879                  on all orders.                       800-330-6543                        92912                   Rochester,
                                                                                 Leavenworth St.                   Omaha,                      MUST BE ON ALL             AREA REPRESENTATIVE:                           email: seo@gate.net           NY 14692                800-962-
                                                                                   NE 68105                           Tel    ORDERS                            AREA       Larry Banowsky                                                                2660 ext. 461           email:
                                                                                 (800) 228-7117                        Fax REPRESENTATIVE:                                  P.O. Box 668                                                                      wmarcus@wardsci.com
                                                                                  (402) 346-2216                    email:     Cannon Church                              Fortson, GA 31808
                                                                                      neal@nebraskascientific.com                    3208 SMU Blvd.                        800-828-3299
                                                                                                                                       Orlando, FL 32817                    email: LBanowsky@sciencekit.com
                                                                                                                                           407-963-8354
                                                                                                                                                       email:
                                                                                                                                       cchurch@cfl.rr.com




                                                                                                                                                  Page 72 of 73
Bid # 2002-29 Science Supplies & Equipment
Justification for not awarding low bid on the following items:


 ITEM #     JUSTIFICATION

    18      Low Bid - were not under water (submersible) as in specification
    27      Low Bid not on display mount - model
            2 lowest bids - lowest - contains only 15 slides / next lowest - cannot locate item
    31
                    in catalog to compare
    32      Low Bid - no tray cover included
    37      Low Bid - did not contain all specified items in kit
    40      Low Bid - Not "Dual" Power Pack - Mini only
    65      Low Bid does not meet item specifications - Kimdura plastic requested
    86      Both vendors awarded to allow schools option to purchase w/o scope
    92      Both vendors awarded to allow schools option to purchase single or double scope
    94      Low Bid - cannot be upgraded in the 20x optional eye piece
    95      Low Bid - this will not fit the accepted microscope
    96      Low Bid did not meet specifications-oil emession objective
   114      Low Bid - not gear & chain driven
   119      Low Bid - not complete (not for 40 students)
   120      Low Bid - Kit not complete
   122      Low Bid - not 1/2 hp motor
   123      Low Bid - did not included chamber - plate only
   137      Low Bid - did not meet specifications
   149      Low Bid - their specifications not state
   154      Low Bid - did not include air pump
   161      Low Bid - did not meet state specifications
   157      Low Bid - did not meet specifications
   163      Low Bid - did not meet specifications
   177      Low Bid - did not meet specifications
   180      Low Bid - cannot locate item in catalog to compare specifications
   205      This Item fits Item # 204
   213      This Item must fit in Item # 212
   215      Low Bid - only metric measurement (not LBS)
   240      Low Bid - cannot locate item in catalog to compare specifications
   241      Low Bid - does not meet specifications
   247      Low Bid - does not meet specifications
   250      Low Bid - cannot locate item in catalog to compare specifications
   255      Low Bid - does not have "deep" pans
   259      Low Bid - legs do not adjust only backrest

				
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