Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 183
647. DUPLEXAIR COMPRES-SOR, with parallelmotion beams totwo single-acting aiicylinders from a.double-acting steamcylinder. N. Y.Air Brake model. … 648. TOGGLE-JOINT DUPLEX AIRCOMPRESSOR.—The crank moves thecommon joint of the long arms in a hori-zontal direction on a slide. The straighten-ing of the toggle greatly increases the powerof the pistons during the terminal part ofj^ their stroke, when the air pressure is greatest.
Mechanical movements
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