


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...


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...

