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 169
ould offer sufficientsupport, so that the hole would be very near straight at theworst. Drills, with the cutting edges, as shown in Fig. 132,are put upon the market by foreign concerns, and are in-tended to be used in the bow drill, but are unfit to be usedin lathe work, where they revolve… … Fig. 133. Fig. 134. Fig. 135. When using a flat drill it should be withdrawn every fewrevolutions, so as to prevent clogging, which would cause itto stick and bind, and break the drill, especially in thesmaller sizes, such as the pivot drills, where great care anddelicacy of touch are necessary to…
Clocks and watches · Lathes
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