Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 625
4ro PLATE cm. … PERSPECTIVE DRAWING. 401 the line hj^ will be the perspective width of the pier ; draw y D ; and fromh\ ¥ D; from g the intersection of the curve of the arch by the perpen-dicular to g\ draw g D, the intersection with h D will be one point inthe curve of the arch on the opposite side of the bridge:…
