A practical guide to recovering, testing, extracting, and refining precious metals, from primary and secondary sources. Topics covered include recovery methods for primary ores, black sand, scrap jewellery, old title and electronic scrap.
Want to cast and finish an art bronze? Make one-of-a-kind jewelry piece? From finding supplies to using innovative casting, molding, and finishing techniques, this learn-as-you-go book - a hit with hobbyists for nearly 20 years - gives you an unbeatable introduction to the rewards of metalcasting. Packed with easy-to-follow instructions, ...
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Fooled by Randomness: The Hidden Role of Chance in Life and in the Markets
