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 93
that has be-come too brittle through repeated heating and cooling. Fig. 71 shows a steel taper chuck, with various formsof tapers. The taper blanks may be purchased, either hardor soft, at a low price, just as cement brasses are. Manywatchmakers therefore use the tapers and taper chuck forcement…
Clocks and watches · Lathes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
