Elements of mechanics: treated by means of the differential and integral calculus (1887)
Peck, William G[uy], 1820-1892. [from old catalog] · New York, Chicago, A. S. Barnes & company · leaf 318
s are employed in theworking of pumps: the sucking, the lifting, and theforcing principle. Pumps are frequently named accordingas one or more of these principles are employed. Sucking and Lifting Pump. 209. This pump consists of acylindrical barrel A, at the lowerextremity of which is attached… … ^ Fig. 174 314 MECHANICS. pump is at rest, closes by its own weight. This valveis called, from its position, the piston-valve. A secondvalve 67, also opening upwards, is placed at the junction ofthe pipe with the barrel. This is called the sleeping-valve.The space Xi!/, through which the piston can…
Mechanics
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