"The base metals used for the extraction of silver from its ores by smelting are lead and copper, and the different methods employed may be accordingly classified under the general headings of "extraction by means of lead" and "extraction by means of copper"--page 3.
Mining and Nuclear Engineering
Professional Degree in Mining Engineering
Missouri School of Mines and Metallurgy
© 1885 J. R. D. Owen, All rights reserved.
Thesis - Open Access
Silver -- Metallurgy
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Link to Catalog Record
Owen, John R. D., "Smelting processes for silver extraction" (1885). Professional Degree Theses. 16.