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The watchmakers' lathe, its use and abuse; a story of the lathe in its various forms, past and present, its construction and proper uses (1903)

Goodrich, Ward L. [from old catalog] · Chicago, Hazlitt & Walker · leaf 232

An illustration from The watchmakers' lathe, its use and abuse; a story of the lathe in its various forms, past and present, its construction and proper uses, 1903, leaf 232 — t through careless fitting it had beenplaced on the pinion at o, and consequently is very muchout of round when tested in the calipers, and to correct thisdefect it is put in the rounding-up tool. The cutter com-mences to remove the metal from tooth 7, it being the high-est, next the neighboring… … Fig. 213. Shows how a badly centered wheel is left by the rounding-up cutters. shown by the sectionally lined wheel. Many will ask howsuch a result is possible, as the cutter has acted equallyupon all the teeth. Nevertheless, a little study of the actionof the rounding-up cutter will soon make it…

Clocks and watches · Lathes

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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