Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 319
1249. RAILWAY STEAMSHOVEL, the Bucyrus model.For railway or other excavating onmovable trucks. ^o8 MINING. 1250. MAGNETIC ORESEPARATOR, Hoffman type. The pulverized ironore is fed to a travelling ap-ron, which passes over a seriesof magnets beneath the apronand over a drum where themagnetized iron… … 1251. MAGNETIC ORE SEPARATOR, Edison type. Aseries of electro-magnets are set behind a vertically moving apron against which thepulverized ore isdischarged from ahopper spout. Theconcentrates movealong the line ofmagnets by the ac-tion of the apron,and fall into buck-ets attached to the apron, and…
Mechanical movements
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