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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 385

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 385
378 MISCELLANEOUS DEVICES. 1563. SAFETY CATCH FOR ELEVATORS.—The eccentricsector levers are connected at their pivots to friction slides behind the guide rails by links. Thefront slides are ratchet bars onthe face of the guide rails.The balance weight intensifiesthe action of the grips whenthe rope… … A w

Mechanical movements

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