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 303
296 HOROI.OGICAI,. … 1194/. ELECTRIC WINDINGDEVICE for clocks.—A weighted L-shaped lever A, working on a pin atthe corner of the L, operates by meansof a pawl the wheel B, and, if raised,falls of its own weight, and keeps thependulum D swinging. The motiveforce required to effect this is providedby means of the…
Mechanical movements
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