Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 134
thewater has been removed from A. Or, looking at it in another way, if ^^C^is filled withwater, and BC is longer than AB^ the water in BO will beheavier than in AB^ and as the water in both tends torun down, the heavier column Avill run down, and theweight of the air upon the water in A will push… … Fig. 62. two columns will balance, and of course the flow willcease. 192. The Air-pump. — The air-pump (Fig. 62) is apump used to remove the air from air-tight receivers.It consists of a cylinder (7, a piston P, and two valvesV and v. i? is the receiver from which the air is to beremoved. The…
Physics
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