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  • All fields: Fineness
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    • Exhibit - Gold Degrees Of Fineness

    • Assaying; Assayers; Gold; Exhibitions; Display cards;
    • A display card featuring samples of gold at different degrees of fineness. The board was created by A. L. Simondi, assayer, Silver City, Idaho. The board was for R. F. Johnson, Esq., with compliments of the Donor.
    • MS48Box53Hawley
    • Silver Smelter, Bunker Hill Mine

    • Mining; Smelters; Silver;
    • Standing behind two 16-bar pallets of silver bars especially cast for the Idaho Historical Society are (l to r) Chas. E. Schwab, president; A.Y. Bethune, manager of metallurgy; and J.M. Haivala, general manager, all of the Bunker Hill Company,...
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