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Scientific American, Vol. 12, No. 39 (June 1857) (1857)

leaf 3

An illustration from Scientific American, Vol. 12, No. 39 (June 1857), 1857, leaf 3
Dec, 1854. The alloy of poor grain and cheat, hhhhh are plates acted upon by the fan beaters. scoured. is called oreide of gold. It is formed with 100 in the vertical portion of the spout, J ; they H represents a fan which is inclosed in the The beaters, F, upon the vertical sides, K parts by… … January last. Two machines are here repre- sented ; figure 1 being a perspective, and figure perfect and ingenious manner ready for grind- are placed at an angle with said spout for the , and the results produced as has been already 2 a reduced vertical section of the scouring ing, by the machine…

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