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The Iron Age 1881-01-20: Vol 27 Iss 3

1881 Reed Business Information US

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The Iron Age A Review of the Hardware, Iron and Metal Trades. Published every Thursday Morning by DAVID WILLIAMS, No. 83 Reade Street, New York. Entered at the Post Office, New York, as Second-Class Matter. Vol. XXVIII; No. 3. New York, Thursday, January 20, 1881. 82°50 a Year, Including Postage Single Copies, Zen Cents. The Lawrence Cargo Block. In order to facilitate the handling of heavy cases of merchandise, boats, parts of ma- chinery, &c., and save the time wasted in de- taching slings or hooks, Mr. C.C. Lawrence,of London, England, has devised a block which possesses some merit. It is formed of two cheeks or plates riveted together through a cast-iron arched piece, round which the hauling chain is passed. The chain is kept in its place by a boss or stud which prevents it coming out of the groove in the block. The end of the chain terminates in a slotted shackle, C, which is passed over the two | hooks at the bottom of the block. One of these hooks, A, is fixed, while the other, B, is free to swing upon a pin in its upper end. This latter is the detaching book, while the former may be used for the other end of the sling, and will thus draw the sling away when one end is relea…

Citation

The Iron Age 1881-01-20: Vol 27 Iss 3. Reed Business Information US. 1881.