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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 387

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 387
1573. SEWING-MACHINESHUTTLE.—The thread is rovein the holes in the tension spring,which is made adjustable by thenotch cam d. 1574. SEWING-MACHINEFEED BAR, Wheeler & Wil-son model. The toothed feed-rack 26 is fixed to the frame 7,which is lifted, moved forward, and dropped by the cam 39, and is…

Mechanical movements

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