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A treatise on concentration of all kinds of ores : including the chlorination process for gold-bearing sulphurets, arseniurets, and gold and silver ores generally /
- Library catalog: Nowe Druki
- Author: KUSTEL, Guido
- Publication: San Francisco : Office the Mining and Scientific Press, 1868.
Roasting of gold and silver ores and the extraction of their respective metals without quicksilver
- Library catalog: Nowe Druki
- Author: KUSTEL, Guido
- Publication: San Francisco : A. J. Leary, 1880.
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