The Metallurgy of Gold, a Practical Treatise on the Metallurgical Treatment of Gold-bearing Ores, Including the Processes of Concentration, ... the Assaying, Melting, and Refining of Gold

The Metallurgy of Gold, a Practical Treatise on the Metallurgical Treatment of Gold-bearing Ores, Including the Processes of Concentration, ... the Assaying, Melting, and Refining of Gold by Manuel Eissler is available to buy at Bookshop.org.