Table of ContentsCrushing Action of Ball MillsConditions Determining Fineness of CrushingWhat Affects Ball Mill CapacityConditions Affecting Ball Mill PowerBall Mill CrushingHow to Feed a Ball
Table of ContentsImpurities in SpelterMethods of Preventing Contamination of SpelterRefining Spelter by RedistillationConverted Smelting Furnace MethodDe Saulles MethodResults in Refining by RedistillationGrade of Metal ChargedGrade
Table of ContentsIncomeOperating ExpensesVouchers and EntriesDistribution of Power, Etc.Purchases and Inventories The observations here presented are not those of an expert accountant, but of one
It is a fair assumption that the main purpose of any diagram is to present facts to the eye in more convenient form than they
During the past years, the safe and efficient lighting of the coal mines of this country has received an ever-increasing amount of attention. Several States
Table of ContentsMineralogical ChangesTemperature and Time FactorsScope of Present PaperMethod of ProcedureClays SelectedProperties of the ClaysEffects of FiringMicroscopic Examination of the Burned ClaysBrown ClayWhite ClayStages
Table of ContentsRefining by AcidsRefining by FusionSinteringSlags This cyanide precipitate is unique in that it is apt to vary widely in composition in the course
Table of ContentsMagnetic Iron Ore ResourcesHistory of Development of Magnetic Separator Treatment Method DeterminationPresent Practice and State of DevelopmentWet Magnetic Separation of Cornwall OreDustLow Grade of ConcentratesResults of
In a tin concentrator an appliance was needed to furnish a suitable product for fine jigging from a pulp of the following composition: In the
Table of ContentsCopperZincSilverGoldUranium and VanadiumIron and ManganeseNickelCobaltMercuryLeadAntimonyArsenicBismuthTinChromium, Molybdenum, Tungsten and Uranium The exploration of deposits of the metals will never become an exact science. There