Originally published in 1912, this volume compiles extracts and practical findings on cyanidation, focusing on Mexican practice and the treatment of different ore types. It blends historical context with hands-on descriptions of mill layouts, equipment, and procedures, offering readers a behind-the-scenes view of how early 20th‑century operations operated and evolved. The book walks through multiple major mills, notes the range of preparatory treatments, and explains the steps from crushing and grinding to leaching, precipitation, and recovery.

Concrete, real‑world machinery and workflow details from several Mexican cyanide mills.
Discussion of ore characteristics, treatment schemes, and the economics of different approaches.
Technical descriptions of tanks, tube-mills, classifiers, thickeners, and filtration methods.
Illustrations and tables that illuminate process flow, equipment choices, and outcomes.

Ideal for readers of mining history, metallurgical practice, and professionals curious about early cyanide operations.

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