Excerpt from The Metallurgy of Gold
In the preparation of the Third Edition, the text has again been revised and considerable additions made to it, in order to keep pace with the progress of the metallurgy of gold. In particular, the chapters on the Cyanide Process will be found to have undergone great changes. The frontispiece is from a photograph kindly lent by Mr. Alfred James, late of Johannesburg, and several other new illustrations have been added.
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