To secure more favorable freight rates suggests transforming crude ore and concentrates into semi-finished furnace products and thus to reduce gross weight shipped and take advantage of favorable freight rates already established. Advantages and limitations of local smelting. Mace type open tuyere key to small unit smelting; tabulation of results in test runs on typical bodies of ore.
An important invention
Mineral Age
Mountain States Mineral Age ; 9 , n 2
1924
2 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1919
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