Mechanical drawing problems for high schools, normal schools and vocational schools (1918)
Berg, Edward. [from old catalog], Kronquist, Emil F. (Emil Fritjoff), b. 1882 · Peoria, Ill. : The Manual arts press · leaf 16
DDD nnn … u MECHANICAL DRAWING PROBLEMS Specification—Plate 1. Draw horizontal and vertical lines with T-square and triangle to form eight squares as shown inthe lay-out sheet on the opposite page. Draw diagonals in squarer i, 2, 3, 4, 5, 6, and space off half inches on the*diagonals. Sq. I. Draw horizontal…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
