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Scientific American, Vol. 33, No. 2 (July 1875) (1875)

leaf 8

An illustration from Scientific American, Vol. 33, No. 2 (July 1875), 1875, leaf 8
driedor seasoned, resembles natural ivory in compactness andhomogeneousness. It is free from grain, is not affected bymoisture, and is with great facility remolded into any de-sired form by heat and pressure in suitable molds. The proportions of ingredients above set forth may beconsiderably varied… … Iron may be cemented in wood by dropping in the recessprepared in the latter a small quantity of strong solutionof sal ammoniac. This causes the iron to rust, rendciingit very difficult to extract © 1875 SCIENTIFIC AMERICAN, INC. 24 ^tmtiiU %mmtm. [July io, 1875. BULLETS, CANNON PEOJECTILES, AND…

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