http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Silver -- Metallurgy) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DSilver%20--%20Metallurgy Results for your query: docsPerPage=100;f5-subject=Silver -- Metallurgy Thu, 01 Jan 1970 12:00:00 GMT Leaching gold and silver ores: The Plattner and Kiss processes. Aaron, Charles H. (Charles Howard) https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT On the principles involved in the reduction of iron and silver ores: with a supplementary notice of some of the principal silver mines of Mexico and South America. Mather, W. W. (William Williams), 1804-1859 https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT