Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 137
V^, and on the next up-stroke it is lifted up and dischargedthrough the spout G, while morewater is forced up through tlie valveFj into the barrel by the externalpressure of the atmospliere. It isevident tliat the maximum heightto which water, under perfect con-ditions, is raised by the jjressure… … Fig. 157.—Suction-pump. AB, cylin-drical barrel; BC, suction-pipe ; P,piston ; K, and V.,, valves openingupwards ; R, reservoir from whichwater is to be lifted. FORCE-PUMP 127 height would be f | X 13.6 = 34 feet. But an ordinarysuction-pump will not work satisfactorily for heights above25 feet.…
Physics
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