The School of Mines Quarterly, Volume 9, Issue 3

Agordo ammonia amount Anal arsenic average basin black copper Bonne Terre cast-iron cement copper cent centimetres charcoal charge Chem clamp marks Columbia College contain cost Croton crystalline frac crystals cu.ft cubic metres diagram diameter Elastic Limit Engineer flask flow of streams foot fracture furnace fusion for black galena grains hearth heated inch of rain inch vertical interstitial channels iron sulphate jig-sieve jigs kilos length less MANUFACTURERS mass material melted metallic mill millimetre Mining month Motte Neill nitrate Nordhausen operation owner oxide phosphoric anhydride pound precipitated protoxide PUMP quantity rainfall reduced reverberatory furnace rising current rosettes scorias sesquioxide sesquioxide of iron Silky slag spheres square mile steel storage sub-salts sulphides sulphuric acid system of weights tanks tests tion tons treated tube tuyere ultimate strength uniformity velocity vertical scale water-power water-shed weights and measures York zinc