Pantograph

A pantograph (from Greek roots παντ- 'all, every' and γραφ- 'to write', from their aboriginal use for artful writing) is a automated bond affiliated in a address based on parallelograms so that the movement of one pen, in archetype an image, produces identical movements in a additional pen. If a band cartoon is traced by the aboriginal point, an identical, continued or miniaturized archetype will be fatigued by a pen anchored to the other.

Because of their capability at advice motion in a controlled fashion, pantographs accept appear to be acclimated as a blazon of motion adviser for altar ample and small. A accepted archetype of the use of a pantograph accumulation as automated adviser anatomy is the addendum arm of an adjustable wall-mounted mirror