Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 16
Fig. 7. Fig. 8. Solution.—Place the head of the T-square firmlyagainst the left-hand edge of the slate or drawingboard (Fig. 7,) and draw a line that is 4 in. inlength along the edge of the blade. Prob. 2.—Draw a horizontal line 2-1 in. long. Prob. 3.—Draw four horizontal lines 2>\ in. longand \…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
