Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 302
rlagging is bolted on the rims to form the face ofthe drum ; the heads of the bolts are sunk beneaththe surface of the lagging, and the face is turned. MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 285 Fig. 633 represents a wooden plate pulley, consisting of sectors of inchboards firmly glued and… … Fig. 632. clear stuff. The whole is retained on the shaft by an iron hub, cast with aplate on one side, and another separate plate sliding on to the hub ; the hub isplaced in the centre of the pulley, the two plates are brought in contact withthe sides of the pulley, and bolted through ; and the…
Mechanical drawing
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