Iron ore in Northern Ontario: The iron a
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Article
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1910
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Elsevier Science
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English
β 67 KB
mains in the charge while melting down for a much longer time than other carbon. It is therefore absorbed and not carried off by the vapors. In working the open-hearth furnace, 'limestone or other suitable flux is introduced, then the steel and iron scrap, then the pulverized carbon and on top of th