Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 113
e, the column in theupper tube rises until the cone on the circularplate gives way. This action is renewed peri-odically and is regulated by the supply of water. 447. This method of passing a boat from oneshore of a river to the other is common on theRhine and elsewhere, and is effected by the… … Mechanical Movements. 109 448. Common lift pump. In the up-stroke of piston or bucket the lower valveopens and the valve in piston shuts ; air isexhausted out of suction-pipe, and waterrushes up to fill the vacuum. In down-stroke, lower valve is shut and valve in pis-ton opens, and the water simply…
Mechanical movements
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