Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 237
true length beingparallel to the vertical plane. The next step is to take i— 2 , Fig.301, as a radius and i, Fig. 303, as center, desrcibe an arc 1— 2,then with i— 2, Fig. 302, as radius and 1, Fig. 303, as center,describe arc putting arc 1 — 2 in the point 2. With 1, Fig. 303,as center and 1 — 2,… … SHEET METAL PATTERN DRAFTING. 223 the remaining points, 3, 4, 5, and 3, 4, 5 ji Fig. 303 ji the sameway. The remaining part of the semi-development 5 — B, Fig.303, is a duplicate of that already found. Prob. 9. It is required to make a pattern drawing for thearticle of irregular form shown in Fig.…