Sullivan, Christine [Gordon]. [from old catalog] · New York, Cincinnati [etc.] American book company · leaf 65
Fig. 99. WHEELS. 6i Exercise 5.— To produce a given straight line beyond a given ob-stacle. Let AB (Fig. loo) be the straight line, and X be the obstacle.
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
