Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 84
245. STEAM ENGINEVALVE CHEST.—Doubleported exhaust; shortensthe steam passages. ErieCity Iron Works model. 246. BALANCED SLIDE VALVE.~A bell-shaped piston, riding in a packed gland in thesteam chest cover, is connected to the top of thevalve by a link. … 247. BALANCED SLIDE VALVE, Buchanan & Richters patent. The arm B carries a roller in the curved slot of the supporting piece D. The ^^g?^ pressure is relieved by the nut and screw in the cover.
Mechanical movements
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