A catechism of the steam engine and its various applications to mines, mills, steam navigation, railways, and agriculture (1876)
Bourne, John, civil engineer. [from old catalog] · New York, D. Appleton and company · leaf 361
ough the passages. Thesuction valves <5, on the right side, and the force valves <?, onthe left side, are show open; a?, is an air chamber made of cop- 346 woethingtons duplex pump. per; 5, the suction pipe terminating in a vacuum chamber;made by prolonging the suction pipe, and closing it… … GIFFAEds INJEClOK. 347 wMcli relieve the pressure near the end of the stroke, to givemomentum to throw the valves when working at slow speed. Fig. 63 is a perspective view of H. E. Worthingtons DuplexSteam Pump. The prominent peculiarity of this pump is itsvalve motion. As seen in the cut, two…
Steam engineering · Steam-engines
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