Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 94
293. RACK GEAR PARALLEL MOTION.— An old pumping device used with a single-acting beam engine. STEAM POM^ER. 83 … 294. WATT GOVERNOR.—The cen-trifugal action of the balls lifts the sleeve and,through the bell crank, operates the throttlevalve.
Mechanical movements
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