Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 405
1638. GUN LOCK.—I, lock plate;2, hammer; 3, mainspring; 4, tum-bler; 5, sear or trigger lever; 6, sealspring. 1639. COLT CYLINDER REVOLVINGDEVICE for firearms. a, the pawl thatcatches the circular ratchet b; r, a. spring thatpushes the pawl into the teeth of the ratchet;D, the hammer butt to which… … 1640. MAGAZINE RIFLE, Lee - Metf ord model.Magazine in the barrel stock. MARTINI-HENRY RIFLE.— The breech block is pivotedat the rear end and is thrownup or down by the lever atthe rear of the trigger guard.A spring plunger in thebreech block, let go by thetrigger, explodes the charge.
Mechanical movements
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