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Scientific American, Vol. 12, No. 24 (February 21, 1857) (1857)

leaf 3

An illustration from Scientific American, Vol. 12, No. 24 (February 21, 1857), 1857, leaf 3
es place after a few mended by several machinists. At thisspeed Moments, but so quietly that it may be done it was incapable of performing a fair day’s ona large scale without danger. It leaves work : it turned out only about onc-tuird the the aluminum in plates, globules, or a powder work of the… … The tool or chisel, I, is operated in the usual in the outskirts, where gas is to be manufac- of No 1 pig, and treated as before, but tapped manner—the work to be mortised being se- tured for the supply of the city, aided by all after 30 minutes. The product or bloom was cured in the table D,—and…

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