Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 362
1453. SWIVEL SHACKLE. … j 1454. SLIP HOOK, for drop weights and temporary pile hammer. 1455. TRIP HOOK.—A split shank withtongue and catch pivoted between the sides o£the shank as shown.
Mechanical movements
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