Movement 283

Animation not supported.

This browser does not support the Canvas element, required by our animation library. To view the animations, please upgrade to the latest version of Google Chrome, Firefox, or Internet Explorer.

AnimatedOriginal 

283. By a vibratory motion of the handle, motion is communicated by the pinion to the racks. This is used in working small air pumps for scientific experiments.

亚洲日韩色欧另类欧美_亚洲日韩中文字幕日本有码_亚洲日韩看片无码