Pneumatics Experiment

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To prove that air has weight and exerts pressure on the earth, this experiment is conducted. A glass tube is filled with mercury. A finger is placed over the end to keep the mercury from slipping out, and the tube is inverted into a cup as shown. The mercury will fall, rise and after a few oscillations, will come to rest at a height above the top of the mercury in a glass equal to about 30 inches.

Keywords

pneumatics experiment, mercury experiment, does pneumatics involve mercury, pneumatics and mercury, pneumatics example

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General Physics

Source

International Correspondence Schools A Textbook on Mechanical and Electrical Engineering (Scranton, PA: International Textbook Company, 1897)

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