Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 14
secf/o/?. … Ouf-//he-. 2s- locating points should cut each other as nearly as possibleat right angles. The lead pencil may be sharpened in one of two ways,by a long, tapering, round point or by a double-edged chisel.Cut the wood back for at least f of an inch from the end andleave from \ to f of an inch of…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.