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it ron Ors CU mU 1
E P T and Tin Producers 191
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31 last accounts Acid amount assay average British Broken Hill carried forward coal company's concentrate Consolidated copper Cornwall Corporation cost cyanide December 31 deposits depth diamond dividend Dredging drilling dust East East Rand electric electrode engine equipment estimated flotation Gold Coast Gold Mines grade haematite increase industry installed iron Journ June 30 Kaduna Kalgoorlie Kirkland Lake Lake lode London lubrication machine material ment metal metallurgical methods mill mineral Modderfontein months Nigeria nitrate obtained operations ore-body output oxide particles payable pipe plant Pref production profit pulp pump pyrite quartz Rand recently recovery reduced Reef reserves Rhodesia rock scheelite screen shaft share silver South Africa South Crofty steel stope Sulphate sulphide supplies surface taxation temperature tion tonnage tons Transvaal tungsten United Wiluna zinc