A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 287
Chap. 3.] Common Forcing Pump. 263 … No. 118. Common Forcing Pump. The ordinary forcing pump has two valves, as in the annexed figure,which represents it as generally made. The cylinder is placed above thesurface of the water to be raised, and consequently is charged by the pres-sure of the atmosphere; the machine, therefore, is a…
Pumping machinery
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