Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 317
ower-transmission hy Chains.—Fig. 665 is a sectional perspective of a pul-ley in which there is a groove for the vertical links of the chains and a face for 300 MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. the horizontal ones, which serve merely as guides for hoisting in cranes or saw-mills and the… … Fig. 665.
Mechanical drawing
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