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 197
a faced coupling pulley,an expedient sometimes adopted when a joint oc-curs where a pulley is also required, the two are rig. 257.then combined ; the pulley is cast in halves—two plate pulleys, with platesat the side instead of central, faced and bolted together. 154 DRAWING OF MACHINERY. Wooden… … Fig. 258. two cast iron pulleys A A, or spiders, with narrow rims ; tliey are keyedon to the shaft at the required distance from each other, and plank or lag-ging is bolted on the rims to form the face of the drum; the heads of thebolts are sunk beneath the surface of the lagging, and the face is…
