Marcy's Mill and the Men who Winnowed the Facts |
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Page 21
... mill were essen- tial for grinding , replacing the Danish pebbles and tube mills theretofore used . He made a run in his mill of a mixture of steel balls and Danish pebbles , which reduced the latter to powder . Among his friends in ...
... mill were essen- tial for grinding , replacing the Danish pebbles and tube mills theretofore used . He made a run in his mill of a mixture of steel balls and Danish pebbles , which reduced the latter to powder . Among his friends in ...
Page 35
... mills in mining and many in cement plants all doing dry grinding . What he did was to take the steel balls and place them in a mill of his own design . He was the father of wet grinding ball mills of capacity . He made a mill of greater ...
... mills in mining and many in cement plants all doing dry grinding . What he did was to take the steel balls and place them in a mill of his own design . He was the father of wet grinding ball mills of capacity . He made a mill of greater ...
Page 76
... mill is expected to be operating late in Novem- ber or early in December of this year . We will in- stall a 5 ′ by 12 ' rod mill for primary grinding and a 30 " by 54 " ball mill for regrinding . Recovery is to be made by flotation ...
... mill is expected to be operating late in Novem- ber or early in December of this year . We will in- stall a 5 ′ by 12 ' rod mill for primary grinding and a 30 " by 54 " ball mill for regrinding . Recovery is to be made by flotation ...
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65 mesh A. G. McGregor Agnew Alaska Allis-Chalmers Company Anaconda build Calumet and Arizona Cananea capacity Cates chief engineer chrome closed circuit Copper Cliff Copper Company Denver diameter discharge end Dorr classifier drafting end rod mill equipment experience experimental flotation furnace George Bradley GOLD MINES grate Greenway grinding H. K. Burch Hardinge mills Inspiration installation International Nickel Klepetko Lambourne later low pulp line manager Marcy ball mill Marcy mills Marcy open end Marcy rod mills Marcy says Marcy's ment mill grinding mill superintendent milling plant Mining Company mining history Molybdenum Morenci motor Mueller Nacozari open end rod Oscar Johnson pany Phelps Dodge Phelps Dodge Corporation Philip Carey president primary grinding Repath Ricketts Roan Antelope Salt Lake City scheelite Smelter Supply Company tion Tobe tonnage tons daily tons per day tube mills U. S. Vanadium Utah Copper winnow Wraith