Excerpt from Transactions for 1900 and General Index, 1857 to 1900
The November meeting brought forward Mr. Cowper-cole's paper on The electrolytic treatment of complex sulphide ores. A number of processes were described for the distilling of zinc from its ores, and it was pointed out that about 16 per cent. Of the metal was not extracted from the ore, and that 10 tons of coal were required to produce 1 ton Of zinc by the present process. The author then detailed a number of experiments made by himself on sulphide ores, and showed a number of specimens Of the crude ores and their products.
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