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 28
stocks B and C. Now ourstrains are so distributed that when work is done at A thestrains will fall within the dotted triangle A, B, C, and the THE AMERICAN LATHE. 27 wider the base B, C of the triangle becomes in proportionto its height, the stronger the lathe will be, if the proper pro-portions of… … Fig. 1°. Comparative Strength of Wide and Narrow Triangles. b and c, Fig. 17, we then have our triangle of forces as A,b, c, in which the base b, c, is still wider; and this is cor-rect, because we take heavier cuts with the slide rest thanwe do when turning by hand, and consequently more forceis…
Clocks and watches · Lathes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
