The Young Miner's First Stepping-Stone, containing tables, rules, examples, and exercises, for computing by a variety of the most approved methods, the weight and value of black tin in a given quantity of tin-stuff, the weight of white tin for black, the water weights for tin-stuff and copper ore, the value of fine copper in the ore, and the rise and fall of the copper standard. Designed for the use of schools, the mine counting-house, and those desirous of instructing themselves.
TREMELLING (John)
From Forest Books, ABA-ILAB, Grantham, LINCS, United Kingdom
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