Table of ContentsHeat Treatment of the Compressed MaterialQuartz-Tube FurnaceGran-Annular Electric FurnaceElectrical Resistance Furnace (Resistance of Charge)ForgingTemperature Measurement The mold used in producing the raw briquet
Table of ContentsTungsten and MolybdenumProperties of Tungsten and MolybdenumCoaling with Precious MetalsProperties of the Coated MaterialThe Internal Structure of MetalsAmorphous Cement TheoryInfluence on Physical Properties
Table of ContentsWork on Alloys made by FusionApparatusResultsPractical DeductionsExperimentsMetallographyGrinding and PolishingEtchingMicroscopyPure TungstenPure MolybdenumTungsten-Gold AlloysTungsten-Palladium AlloysTungsten-Molybdenum AlloysSummary and Conclusions Metallurgical research has discovered many an alloy possessing
The reagents now used in flotation consist of various acids or salts, which may be either electrolytes or nonelectrolytes, dissolved in water and some substance
Table of ContentsNormal Conditions in Porphyry & SchistDisturbing InfluencesErratic Conditions in Porphyry & SchistRequisites for Correct InterpretationLimestone In the exploration of a copper deposit by
In preparing this paper the object has been to set forth facts relating to lighting or illumination problems faced in underground mines, which, judging from
From the viewpoint of mineral economics, the ultimate and significant production cost is that per unit of metal produced rather than the cost per ton
Table of ContentsPayments for MetalsDeductionsExample of CalculationsExample 2Domestic Dead Ores and ConcentratesPaymentsDeductionsGeneral Clauses Governing All Open SchedulesExample of Calculations With the exception of gold, metal
Table of ContentsProperties with Large Assured Ore ReservesProperties with Little or no Assured Ore ReservesUndeveloped Properties Engineering valuations of raining properties are made for a
Table of ContentsLead and Zinc OresMethods of Treatment Lead and Zinc Ores Minerals of lead and zinc commonly are rather closely associated in nature; zinc-free