The machinist and tool maker's instructor, containing an easy method of calculating and laying out difficult work in the machine shop .. (1896)
Genung, Edward. [from old catalog] · New York [Press of J. B. Savage, Cleveland] · leaf 187
3-32 deep islarge enough for most purposes; the key ways should beslightly rounded in the corners to lessen the danger of crack-ing while hardening. I will now show you the shapes of cutters for a varietyof purposes, and also the sizes, angles, etc., for ordinarywork. I say ordinary, because we…
Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
