Ore dressing. Principles and practice. B
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Louis, Henry
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Article
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1924
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Wiley (John Wiley & Sons)
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## INDUSTRY c97 Both chapters are suitably treated, and much valuable information is afforded. Chapters eight, nine and tan deal with costs and efficiencies, transport of sulphuric acid, and its application. Under " Costs and efficiencies," reference is made t o the graphical system of representa