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Newton’s Tube

This glass tube , nearly 2 metres long, was used to show that all bodies fall at the same rate in a vacuum. The ends are brass, one has a ring for hanging the tube upright, and the other has a threaded tap that could be attached to a vacuum pump. Objects of varying densities (feather, paper, ball bearing etc.) are put in the tube and seen to fall at different rates depending on their density. However, when the air is evacuated they all fall at the same rate. 130 cm
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Tube de Newton

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France

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From different angles

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