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With Some Notes On the Economic Conditions of Their Production

Comprising the Practice and Theory of the Several Methods Pursued in Their Manufacture, and of Their Treatment in the Rolling Mills, the Forge, and..

Wanderings of a South African Prospector in Search of Copper, Gold, Emeralds, and Diamonds

An Authentic Account of the Discovery, History, and Working of the World Renowned Comstock Silver Lode of Nevada, Including the Present Condition of..

The Extraction and Treatment of Metals by Means of the Electric Current. Being the 2D Ed. of "Elektro-Metallurgie."

Being a Description of the Mining Industry of Witwatersrand, South African Republic

With Notes On the Concentration of Gold and Silver Ores (With Six Plates.)