Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 189
MECHANICAL DRAWING, 57 tliat if they are desirable on any drawing tliey are especiallydesirable on a general drawing, where one part overlaps another,as they make it easier to pick out and separate one surface fromanother. Some lines are shaded in this drawing wliich are notstrictly sharp edges. It…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
