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Hero's Fountain

This classic demonstration of fluid pressure spouts water into the air for several minutes. As water in the top enters the lower bulb, it forces the air in the bulb upward, compressing more air in the upper bulb. The water has nowhere to go but out the upper tube. 50 cm high with instructions.

611-2250

$46.14

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This classic demonstration of fluid pressure spouts water into the air for several minutes. As water in the top enters the lower bulb, it forces the air in the bulb upward, compressing more air in the upper bulb. The water has nowhere to go but out the upper tube. 50 cm high with instructions.

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