Aperçu gratuit du livre The Metallurgy of Gold, a Practical Treatise on the Metallurgical Treatment of Gold-bearing Ores, Including the Processes of Concentration, Chlorination, and Extraction by Cyanide, and 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, Chlorination, and Extraction by Cyanide, and the Assaying, Melting, and Refining of Gold