Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 91
ws the most common form ofits construction. On the up-stroke a partial vacuum is formed in thebarrel, and the air in the suction-tube expands and passes up throughthe valve V. As the plunger is pushed down the air is forced outthrough the valve V^. The pump, therefore, during the first strokesacts… … G. 98.—Force-pump. AB, cylindricalbarrel; BC, suction-pipe ; P, piston ; F,air chamber; V,, valve in suction-pipe ;Vo, valve in outlet pipe; G, dischargepipe ; jR, reservoir from which water istaken. 84 APPLICATiUNiS OF THE LaW.S OF (iA.SES
Physics
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