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Scientific American, Vol. 39, No. 18 (November 1878) (1878)
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etal contained in the ore, portant saving in time. We are informed that the test of containing free gold or silver, is fed from the hopper to the and have recovered from 98 to 100 per cent of the mercury everyday use sustains the decision of the American Insti- horizontal tube which leads to the… … THE FOBSTEB-FIBMIN AMALGAMATOR. © 1878 SCIENTIFIC AMERICAN, INC.Patents · Rises · Improved · Patented · Iron · Scientific American · Shuttle · Uranus rises · Improved machine · Sewing machine · Electric light · India rubber · American export · Gutta percha · Wilson sewing · Hydrochloric acid
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