An Illustrated, Revised and Enlarged Printing of the Second Edition (1915), To Include: Early History Of The Cyanide Process - Outline Of Operations In The Cyanide Process - Tendencies Of Modern Cyanide Practice - Cyanogen And Its Compounds With Non-Metals - Simple Metallic Cyanides - Metallic Compounds Of Complex Cyanogen Radicals - Manufacture Of Cyanide - Preparatory Treatment Of Ore For Cyanide - The Dissolving Process - The Precipitation And Smelting Process - Special Modifications Of The Cyanide Process - Assaying - Analytical Operations - Metallurgical Tests - Index