Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 165
570. HYDRAULIC ELEVATOR LIFT with pulley sheaves central over plunger. HORIZONTAL HYDRAULIC ELEVATOR LIFT, with central-plunger pulley. Cablewinds on small pulley on drum shaft. Forlight lift. 572. HYDRAULIC PULLING JACK. — The lever operates asmall pump which forceswater to the upper side ofthe…
Mechanical movements
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