The Iron and steel magazine . n electric furnace of a compound containing40 to 70 per cent of manganese, 20 to 40 per cent of silicon and 5 to 20per cent of aluminum, to be used in the refining of steel. 6,001 of 1905. Electric Furnace. — T. S. Anderson, electric smelting furnace, especially for use in producing steel directfrom fine iron ores and iron sands. 9,522 of 1905. Electric Furnace. — J. F. Bottomley and A. Paget,Newcastle-on-Tyne. In electric smelting furnaces, arrangements of theelectrodes so as to distribute the heat more evenly. 13,626 of 1905. Bessemer Converting. —
The Iron and steel magazine . n electric furnace of a compound containing40 to 70 per cent of manganese, 20 to 40 per cent of silicon and 5 to 20per cent of aluminum, to be used in the refining of steel. 6,001 of 1905. Electric Furnace. — T. S. Anderson, electric smelting furnace, especially for use in producing steel directfrom fine iron ores and iron sands. 9,522 of 1905. Electric Furnace. — J. F. Bottomley and A. Paget,Newcastle-on-Tyne. In electric smelting furnaces, arrangements of theelectrodes so as to distribute the heat more evenly. 13,626 of 1905. Bessemer Converting. — F. Gebauer and A. 47 2 The Iron and Steel Magazine Zeuzes, Berlin. An improved method of restraining the ebullition of acharge of molten iron in the steel converter. 17,123 of 1905. Alloy. A. E. Hobson, New Haven, U. S. new alloy to be used as a substitute for britannia metal, being lighterand tougher than the latter, consisting of 109 pounds of tin, 3 pounds ofcopper, 9 pounds of antimony and 3 ounces of EBER B. WARD SEE PAGE 525 The Iron and Steel Magazine Je veux au mond publier dune plume de fer sur un papier dacier. Vol. XI June, 1906 No. 6 NEW DEVELOPMENTS IN DRY BLAST* By A. STEINBART THOSE who are connected with blast-furnace plants have without doubt taken much interest recently in the oldproblem of removing the moisture from the blast, which haslately had a practical demonstration for the first time at theIsabella furnaces of the Carnegie Steel Company. I say theold problem because, to my knowledge, as far back as 1884patents were applied for for a dry-blast plant using refrigeration. The moisture in the atmosphere which enters the blast isprincipally in the shape of aqueous vapor. It is, on the average,higher in summer than in winter. In the months of July andAugust the moisture per cubic foot contained in the atmospherevaries from 4 to 9 grains and in January and February from1 to 6 grains. These changes from one extreme to the othertake place
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Keywords: ., bookcentury1800, bookdecade1890, bookidironsteel, booksubjectiron
