Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 117
Fig. 74. Experiment 3. Place a receiver on the plate of an air pump, and exhaustthe air from the receiver (Fig. 75). … Fig. 7 Try to separate the receiver from the plate. PROPERTIES AND LAWS OF GASES. 109 1. What evidence have you that the air on the outside of thereceiver presses downward upon it ? 2. What evidence have you that the air which was within thereceiver exerted an upward pressure on it ? 3. Pressure…
Physics
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