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 121
ont ends of thelead screws, is divided in millimeters or thousandths of aninch, as previously referred to. Two handles are providedfor the lower screws and milled head for the upper screw. In place of the rocking segment for adjusting the heightof tool many workmen use two collars, one of which… … THE AMERICAN LATHE. 121 the angles of the cutting edges of the tool are not changedat the point where they enter the work. Such a tool as isshown in Fig. 98 will alter its action materially under suchconditions, and if it is sharpened on top the cutting edgewill be lowered, making elevation…
Clocks and watches · Lathes
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