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- Biology & Earth Science
Water Cycle Model
- Creative model for students to duplicate the individual processes of the water cycle (evaporation, condensation & precipitation). The accompanying set of ten 8½ x 11” full-color study cards and companion guide will aid student's understanding of the water cycle and enhance awareness of the various states of water. Requires a heat lamp, not included. Size : 17” x 12.5” x…
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- Biology & Earth Science
Water Table Model
- 3-D Water Table Model mounted on a wooden back. Shows the upper level of an underground surface in which soil or rock is permanently saturated with water. The water table separates the underground water zone from the capillary fringe or zone aeration. Key card Included.
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- Physics
Water Turbine With Dynamo
- To show the conversion of mechanical energy into electrical energy. Turbine with transparent cover, inlet, and outlet tubes directly connected to a dynamo. Fitted on base.
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- Physics
Wave Demonstrator
- Supertek's Wave Demonstrator is a 6-foot metal helical spring. This high-quality spring is ideal for demonstration of travers waves, wave propagation, wave reflection and standing waves. 20mmD.
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- Physics
Wave Machine, Metal
- Demonstrating longitudinal and transverse waves. Some eccentric discs move several metal rods. Transverse waves are obtained by straight rods and longitudinal waves by bent rods.
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- Dissection
Wax Only For Dissecting Pan
- 1LB OF REPLACEMENT WAX.
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- Weights and Measures
Weight Hooked 1 kg
- Steel weight is engraved on the surface and features a hook at one end. Nickel plate finish.
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- Weights and Measures
Weights Slotted Steel
- Nickel-plated steel weight with slot design ensures that it may be easily removed and replaced, but will not fall off accidentally. All weights have the same size slot. Will fit both 50g or 100g nickel plated steel weight handers.
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- Force & Motion
Wheel And Axle
- 13 cm diameter molded wheel contains 4 grooves of different diameters in the ratios 1, 3, 5 & 7. The grooves are wide and flat bottomed ensuring an exact diameter for each groove, each comes with a small hole to retain the cord. The back of the wheel is hollow to minimize the mass and inertia. Wheel is attached to…
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- Electrostatic
Wimshurst Machine, Superior
- Traditional Electrostatic generator consists of two 250mm diam. Discs with radial aluminum segments driven in opposite directions by hand wheel and belt, with two Leyden jars, on wooden base.
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- Electricity
Wire Cutter And Stripper
- This wire cutter and stripper is for use in installation, repairing and experiments. It will work as a cutter as well as stripper. It has new design handle for making proper pressure on cable. It has locking system at handle of tool.
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- Physics
Wire helix (Spring)
- To illustrate wave motion. Flat section steel wire in the helical coil.
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- Physics
Wire Helix, with Stand
- Long wire helix (spring) for super wave demonstrations. On stand with instructions. Closed length of spring is 10" long and 2 1/2" Diameter. Base is 5"x5".
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- Chemistry & Labware, Test Tubes Racks
Wire Test Tube Racks
- Made of heavy gauge stainless steel wire. All joints are firmly spot-welded. Holds up to 50 test tubes.
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- Science Gifts
Wooden Stand with round Bottom Flask (1 PC)
- Includes 1 L-Shaped Wooden stand. 1 10mm Chrome Rod. 1 Round Bottom flask. 0 Rings for Better stability of flast. Easy to install & Handle.
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- Science Gifts
Wooden Stand with round Bottom Flask (2 PC)
- Includes 1 L-Shaped Wooden stand. 1 10mm Chrome Rod. 1 Round Bottom flask. 0 Rings for Better stability of flast. Easy to install & Handle.
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