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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 159

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 159
564. HYDRAULIC PRESS, with screwadjustment of upper platen. The closingdown of the upper platen is quickly done bythe screw, when a small movement of the hy-draulic piston is required for the pressure. … 565. HYDROSTATIC PRESS.—There are many modifications of this principle for pressesand elevator lifts. The gross pressure of theram is as the areas of the ram and pump pistonsmultiplied by the pounds pressure on the pumppiston. HYDRAULIC POWER AND DEVICES. 153

Mechanical movements

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