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 246
THE AMERICAN LATHE. 245 Up slack in all belts, but we think that this advantage ismore theoretical than real. A twisted raw hide belt from thecone pulleys on the lathe to those of the shaft is readily ad-justed by twisting or untwisting to regulate the tension.The idler pulleys should take care of… … Fig. 217, give way when they should be rigid. The countershaft inFig. 218 runs on centers, while that in Fig. 217 runs inboxes. The pulleys in Fig. 218 have extension split sleeveswhich are compressed by thumb nuts, thus clamping themto the shaft in any desired position. As a matter of fact, wre…
Clocks and watches · Lathes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
