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Science Educational Products  » Physics  » Guinea Feather Tube Demonstration  » Coin and Feather Apparatus - Guinea Feather Tubes

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Coin and Feather Apparatus - Guinea Feather Tubes Photo
Coin and Feather Apparatus - Guinea Feather Tubes

With this coin and feather apparatus a cylinder is capped with a hard rubber closure at each end and a hose connector at one end for air evacuation. When the tube is inverted after air is exhausted, the disc and feather will fall at the same rate because the feather does not meet any air resistance. Overall length 47".

SKU Description Units Price Quantity
10-780 Coin & Feather Apparatus, w/Glass Tube (Guinea & Feather Tube) 1 $69.55
10-780-1 Coin & Feather Apparatus, w/Plastic Tube (Guinea & Feather Tube) 1 $55.14

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