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•Silver -- Metallurgy -- History -- 19th century -- Sources. (1)
•Silver mines and mining -- West (U.S.) -- History -- 19th century -- Sources. (1)
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•1884[Undo]
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• (1)
•University of Arizona Libraries, Special Collections[Undo]
1Author:  Russell, Edward H.Requires cookie*
 Title:  Letters Regarding the Russell Process 1884-1886 ead 
 Date(s):  1884-1886 
 Abstract:  Edward H. Russell was the inventor of the process for extracting silver from raw ore by lixiviation, using hyposulphite. Carbons of letters in bound letter copying book, written from May of either 1884 or 1885, to April of 1886. They are from Russell to various western mine managers, and about the advantages of the method. 
 Repository:  University of Arizona Libraries, Special Collections 
 Subjects:  Silver -- Metallurgy -- History -- 19th century -- Sources. | Silver mines and mining -- West (U.S.) -- History -- 19th century -- Sources. 
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