Movement 48
AnimatedOriginal 

48. Clutch-box. The pinion at the top gives a continuous rotary motion to the gear below, to which is attached half the clutch, and both turn loosely on the shaft. When it is desired to give motion to the shaft, the other part of the clutch, which slides upon a key or feather fixed in the shaft, is thrust into gear by the lever.

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