Movement 367
AnimatedOriginal 

367. A parallel ruler with which lines may be drawn at required distances apart without setting out. Lower edge of upper blade has a graduated ivory scale, on which the incidence of the outer edge of the brass arc indicates the width between blades.

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