Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 165
571. HORIZONTAL HYDRAULIC ELEVATORLIFT, with central-plunger pulley. Cablewinds on small pulley on drum shaft. Forlight lift. 572. HYDRAULIC PULLING JACK. ■— The lever operates a small pump which forces ^:::^ water to the upper side of the piston and draws the piston rod and ring. The small screw…
Mechanical movements
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