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 15
^2) Through the points dra\A/ li^ht finesof indefinite ienc/fh. Use top edge^ of … 3) UV///7 &caie and penci/ used asindicated, /ocate points for yertica///r?e3>. _4) \A/ifh pencil, ~F&quare and Tric/n^/e-c/ra\A/ vertical fine.& from The boT-Tonn to\^ard£> the Top.
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
