Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 84
244. ROTARY VALVES.—The valves K and L arethree-winged cylinders, andare nearly balanced by thedouble inlet ports of thevalve chamber. STEAM POWER. 73 … 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.
Mechanical movements
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