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Scientific American, Vol. 63, No. 19 (1890) (1890)
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e invention is designed to be adapted to The existence of silver in voleanic ashes is of rare oc- metal-spinning lathes, to drawing dies, and to other ployer notices more quickly, and is more willing and currence. Only in two cases have argentiferous ashes sheet metal working machines. The source… … ity. The time is now come when the lamb after an eruption, the quantity of the silver may as well lie down with the lion. thrown up with them must be considerable. DEWEY’S IMPROVEMENT IN METAL SPINNING, © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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