By Jim V. Humble, and updated in 2006 by Mike Glenn, president of Action Mining, soft bound, 16 lesson course on different aspects of fire assaying, sampling, pretreatments, roasting, special methods of assaying, chemical assaying, and more. Each lesson has questions at the end to answer and many have actual tests you can do to earn a certificate in assaying by sending in your result test papers.
FIRE ASSAY HOME STUDY COURSE MANUAL-pdf download
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