Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 403
1638. GUN LOCK.—I, lock plate;2, hammer; 3, mainspring; 4, tum-bler; 5, sear or trigger lever; 6, searspring. 1639. COLT CYLINDER REVOLVINGDEVICE for firearms. a^ the pawl thatcatches the circular ratchet ^; <r, a spring thatpushes the pav/1 into the teeth of the ratchet;D, the hammer butt to…
Mechanical movements
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