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Subject Smelting Remove constraint Subject: Smelting

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    • Schmelts-und Lauferung des Silbers
    • circa 1700 – 1781

    Men feed wood into furnaces and stoke flames in this spacious laboratory, populated with large masonry furnaces for the smelting and working of metals. This scene also contains a list of alchemical elements in Latin.…

    • after 1905 – before 1920

    General view of stockpiles of ore at the American Vanadium Company (later the Vanadium Corporation of America) plant facilities in Bridgeville, Pennsylvania. The Bridgeville chemical and metallurgical plant was used to…

    • after 1849 – before 1887

    Tabulation of data on the fineness of copper (i.e. weight of copper in proportion to the total weight of the metal including impurities and alloy base metals.)

    • after 1860 – before 1887

    Account Statement listing totals for standard ounces of gold melted, actual wastage, and ratio of wasted to melted for the years 1861-1886.

    • after 1860 – before 1887

    Account Statement listing totals for standard ounces of gold melted, actual wastage, and ratio of wasted to melted for the years 1861-1886.

    • 1879-Jun-10

    Rough draft of a letter dealing with the results of Outerbridge’s experiments on the volatilization of standard silver. Letter is unsigned but is written in Booth's hand.

    • 1879-May-29

    Booth's comments on the experiments made by A.E. Outerbridge on volatilization of silver of standard fineness.