A pantograph is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces mimic movements recorded by a second pen. If a line dr
In kinematics, the parallel motion linkage is a six-bar mechanical linkage invented by the Scottish engineer James Watt in 1784 for the double-acting Watt steam engine. It allows a rod moving practica
Pantograph
…Lettering guide – Template for writing text Parallel motion linkage – Six-bar straight-line mechanism Spirograph – Geometric drawing device…