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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 165

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 165 — nd which we might term special drills,are shown in Figs. 126 and 127. That shown at Fig. 126 iscalled a nib drill, and is used to flatten the bottom of holes,while that shown at Fig. 127 is a pin drill, so called from thepin or guide, and is used in recessing or counterboring forflat screw heads…

Clocks and watches · Lathes

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

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