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 374
y depress the extremity, which comes in contact withthe pawls sooner, and thereby shut the valves earlier; and onthe contrary, when the balls are depressed, the valves remainopen longer; as the pawls come in contact with the stemsalways at one point, the steam valves open constantly, but areclosed… … <Pqr 358 WOODKTTFF & BEACHS STEAM EXGINE. Fig. 71 represents, partly in section and partly in plan, thecylinder, steam chests, valves, &c, of one of the Woodruff &Beach high pressure Engines, Wrights patent. Fig. 72 represents, in elevation, the cam shaft, to the upperend of which,…
Steam engineering · Steam-engines
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