Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 354
below ; an iron socket fits over the core. Fig. 740 isa thimble in which the end of therope is either spliced in or loose andserved to the rope, with the endwires turned down. Fig. 741 is anopen socket with a swivel hook, toprevent the tw^isting and untwistingof the rope and thereby weakening…
Mechanical drawing
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