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 174
Cast iron. … seldom adopted when thelatter can be readily ob-tained. Cast iron is usedfor the shafts of water-wheels, and the heavierkinds of mill-work, when rig. 226. the strain is rather transverse than torsional. The most economical formfor cast iron shafts is the tubular, but the more usual are the…
