Movement 277
AnimatedOriginal 

277. Col. Colt’s invention for obtaining the movement of the cylinder of a revolving fire-arm by the act of cocking the hammer. As the hammer is drawn back to cock it, the dog, a, attached to the tumbler, acts on the ratchet, b, on the back of the cylinder. The dog is held up to the ratchet by a spring, c.

免费欧洲美女牲交视频_免费人成在线观看网站_免费岛国片在线观看x片喷水