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06 "Textbook of Assaying for the Use of Those Connected with Mines, A; Chapter 6" by Beringer, Cornelius; "Textbook of Assaying for the Use of Those Connected with Mines, A; Chapter 6" by Beringer, J. J.


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Summary: 06 "Textbook of Assaying for the Use of Those Connected with Mines, A; Chapter 6" by Beringer, Cornelius; "Textbook of Assaying for the Use of Those Connected with Mines, A; Chapter 6" by Beringer, J. J.