Fox, William Paul. [from old catalog] · Chicago, Ill., Fox brothers · leaf 77
l-O; li/2==l,-0/ and i/8=l-(r. &=l-0; 3/8=l_0; l=l-0; 14 :l-0 … FIG. 152 Illustration showing the use of Tee Square and Triangle in drawing vertical parallelsand parallels at 45° to vertical. — 74 —
Woodwork · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
