Bulletin of the American Institute of Mining Engineers, Masalah 40-41

Air-Pressure Aix-la-Chapelle AMERICAN INSTITUTE Assays Belgian Congo Bldg Bulletin Cable Address Canada Carnegie Steel Co Cent chalcopyrite Charles City coal Colo combustion combustion-space common with Section Congo river Consumption of cyanide copper Copper-Nickel Matte curves cyanide cycle Denver deposits drum electric hoist Engr Exchange explosion Extractions fly-wheel furnace Fushun gases Gold Grams Grams Guanajuato hammer drill hoist-motor induction-motor INSTITUTE OF MINING Iron JAMES GAYLEY Kambove Katanga load LUBEFU machine Mathewson's metal Metallurgical Metallurgy Mexico mineral Mining Engineer motor motor-generator natives nickel obtained operation P. O. Box Pachuca paper Pittsburg POWER-CURVES present Professor Dr RATIOS OF NICKEL reel Report rheostat river rocks rope Salt Lake City samples San Francisco shaft Silver skip smelting Society Solution speed Steel sulphide Sulphur supply-system Table TELEPHONE Temperature Term expires February tests tion Titrations tons TRANSACTIONS Value Mex vertical Washington York