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A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class (1864)

Bourne, John · New York, D. Appleton & co. · leaf 363

An illustration from A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class, 1864, leaf 363
r through the passages. Thesuction valves 6, on the right side, and the force valves o, onthe left side, are show open; x, is an air chamber made of cop-15* 346 WOBTHINGTON S DUPLEX PUMP. per; $, the suction pipe terminating in a vacuum chamber;made by prolonging the suction pipe, and closing it… … giffards injector. 347 which 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. R. 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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