Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 82
44. ROTARY VALVES.—The valves K and L arethree-winged cylinders, andare nearly balanced by thedouble inlet ports of thevalve chamber. STEAM POWER. 73 … :^^^^^^miim^^^^
Mechanical movements
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