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 166
ork, or when using larger sizes. The drill isnot the same diameter, from end to end, but it slightlytapers towards the back, but this taper is so small as to beof no consequence in actual practice. It is quite sufficient,however, to prevent binding in the work. Neither are twistdrills round, as is…
Clocks and watches · Lathes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
