Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 352
oftaking up the cable; the tight cable is wound on the larger part of the barrel,and as the coils are unwound on the slack side the tight coil slips down to asmaller diameter; the weight of the chain on the slack side, as it drops intothe locker, is sufficient to preserve the friction; but with a… … Fig. 729. Fig. 728. Fig. 727. Chain-wheels with pockets are especially applicable to the purpose of hoist-ing, requiring a width only slightly greater than that of the chain, and a diam-eter sufficient to give the proper engagement with it. Yale & Towne Manufacturing Company have made a pitch…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
