A Practical Treatise on Testing and Working Silver Ores. Cet article n’est pas disponible.A Practical Treatise on Testing and Working Silver Ores

This practical guide to the testing and refining of silver ores is an invaluable resource for miners, metallurgists, and anyone else interested in the production of silver. With clear and concise instructions and detailed illustrations, Charles Howard Aaron provides a complete guide to the process of testing and refining silver ores.

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