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 167
1—- Fig. 129. … Fig. 13C. be used in watch work or small clock work, without theaid of some technical arrangement, is a serious drawback totheir use, but if the workman has a pivot polisher they maybe ground by setting it at the proper angle and using a lapon it, so that the two edges have the same angles…
Clocks and watches · Lathes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
