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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 390

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 390
1584. GORDON PRINTING PRESS.—Single cylinder, for bill andletter press-work. 1585. RACK AND PAWL wheel lifting-jackLower pawl is operated by a lever or crank. MISCELLANEOUS DEVICES. 383 … 1586. BALL-BEARING SCREW JACK.—The balls run in grooves between the bearingplates. 1587. HYDRAULIC TRANSFERJACK.—For lifting cars or transferringover temporary rails. The extension ofthe truck axles allows for adjustment toany gauge railroad. ^

Mechanical movements

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