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Graduating Engraving and Etchingby Industrial Press
Synopses & Reviews
This well illustrated 1921 book reveals secrets of cutting lines into metal and plastic with routing machines.
Chapters include graduating machines and their use, engraving machines and methods and etching and etching fluids. Within these chapters you'll see power-driven linear engraving engines, circular engines, a circular graduating machine used to put scales on astronomical instruments, machines that graduate numerous rules simultaneously, graduating with a pantograph and even a fixture for graduating in a milling machine.
You'll see machines (cross-section drawings included) that engrave with a tiny precision router mounted on a pantograph (early Gortons). And you'll see the products of their work: dies for date stamps, radio dials, and more.
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