Mechanical Lettering
Mechanical lettering is some times done using a special type of device called a Pantograph. A PANTOGRAPH is basically a device consisting of four links which are pinned to each other in a parallelogram fashion. The links can move about the hinge. The lowermost link of the parallelogram is fixed to two rigid supports. One vertical link at one end is connected to a profile tracer which traces the profile of the letter to be drawn and the second vertical link and the other horizontal link are jointly connected to a pencil that draws the exact shape of the profile traced.h
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