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Scientific American, Vol. 27, No. 13 (1872) (1872)

leaf 4

An illustration from Scientific American, Vol. 27, No. 13 (1872), 1872, leaf 4
away toany desired depth. The neers in Paris, at a cost of $160,000. lines left in relief will be well supported, their base being The first operation to which the cane is submitted is crush broader than their top, and there being no under cutting, as ing ina mill, A; the mill has three rolls, each… … After boiling, the next process is the filtering through ilar results to the Tilghman process, which we also illustrate, animal charcoal, which material in the present instance is The latter patent bears date November 21st, 1871. For ordinary rough work, such as cutting stone, where a contained in…

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