Under the title, Labor-Saving Appliances in the Works-Laboratory, I published a paper in which was described how multi-manipulations in a works-laboratory and in the furnace-room
Table of ContentsThe Proposed MethodAdvantages of the Proposed MethodPrecautions to be Observed when Using the PlanimeterWhen Samples are Cut at Equal Distances ApartWhen Samples are at Unequal DistancesComparison of
Some time ago, we had to decide the question whether it would pay to re-treat slime-tailings, and several machines were tested in order to ascertain the
Table of ContentsFractional Distillation of Magmatic ResiduesThe Acid Solutions and their EffectsSummary In discussing the crystallization of a granitic magma it is sometimes assumed that there
Table of ContentsYauli District Geology GeologyQuisque District GeologyGeologyThe Vanadium DepositEffects of OxidationConclusions The scope of this paper is the description of two districts in Peru in
From the old-fashioned “ grab-sample ” to the modern timing- device, which takes a machine-sample with mathematical precision, there is a wide gap, which was
Table of ContentsRequirements of the Metallurgical LaboratoryErection of the BuildingDescription of the BuildingOre-Testing Laboratory EquipmentAssay and Metallurgical Laboratory EquipmentMilling Laboratory EquipmentCrushing Room, Boiler-RoomFloor-Areas The Hammond Mining and Metallurgical
Table of ContentsPowerPumpCutterWinchBank-Pump and Clean-UpForce-PumpElectric LightMaintenance ShopStackerScreenGold Saving AreasHullFuelEnginesCrew and ExpenseCapacity and Cost Per Yard The design and specifications submitted in this paper are not
Table of ContentsSuction DredgingConditions of Gold DredgingSuction Dredging in Gold Bearing GravelSuction DredgingHydraulic Gold Dredge Components & Parts Repeated failures in attempts to work gold-bearing gravels by
Table of ContentsEffects of High Concentration of Hyperfusibles in Gabbroid MagmaEffects of High Concentration of Hyperfusible Constituents in Granitic Magma Hyperfusible, adj. (of a substance) capable of reducing the
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