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Size: 12cm x 12cm x 6cm..
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These are an economical substitute of a classic physics equipment. Made of two rubber cups with chro..
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Plastic model with wooden handles..
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For demonstrating the air when compressed at great speed, its temperature rises...
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For demonstrating the existence of atmospheric pressure.Size: 22cm x Diameter 12cm..
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You can experiment simply since it is designed by setting mass of poise and calculating force upon t..
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Comprises metal box, 22x10x9cm, with sliding plate glass front, two glass chimneys, standing over tu..
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