LIBROS DEL AUTOR: john f penrose

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  • Copper Ore Tables
    John F. Penrose
    'Copper Ore Tables' is a comprehensive guide for assaying and evaluating copper and silver ores. Compiled by J.F. Penrose and W.M. Grylls, this volume provides essential tables for determining the quantity of water contained within these ores, a critical factor in metallurgical processes and valuation. This work is an invaluable resource for metallurgists, miners, and assayers ...
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    27,12 €