The Iron and steel magazine . rmany Filed July 26, 1904. 809,295. Gas-Producer. — Jerome R. George, Worcester, Mass.,assignor to Morgan Construction Company, Worcester, Mass., a corpora-tion of Massachusetts. Filed July 10. 1903. 809754. Charging Apparatus for Blast-Furnaces. — GibbonC Shackleford, Allegheny, Pa. Filed August 26, 1903. GREAT BRITAIN 21,755 °f J9°4- Briquette Making. — L. Marton, Budapest,Hungary. The use of starch and gluten for binding briquettes of coalor ore t83 184 The Iron and Steel Magazine 5,367 of 1905. Steel Furnace. — J. J. Hudson, furnace for r
The Iron and steel magazine . rmany Filed July 26, 1904. 809,295. Gas-Producer. — Jerome R. George, Worcester, Mass.,assignor to Morgan Construction Company, Worcester, Mass., a corpora-tion of Massachusetts. Filed July 10. 1903. 809754. Charging Apparatus for Blast-Furnaces. — GibbonC Shackleford, Allegheny, Pa. Filed August 26, 1903. GREAT BRITAIN 21,755 °f J9°4- Briquette Making. — L. Marton, Budapest,Hungary. The use of starch and gluten for binding briquettes of coalor ore t83 184 The Iron and Steel Magazine 5,367 of 1905. Steel Furnace. — J. J. Hudson, furnace for refining iron or steel by means of charcoal, andsubsequently decarburizing. 3,225 of 1905. De-Coppering Iron and Steel. — W R. Hodgkin-son, London. For removing copper and nickel from iron and steelsurfaces, the use of a solution of an amide of an organic acid mixed withcuprous chloride. 15,296 of 1905. Tilting Furnace. — T. H. Treat, framework for supporting tilting open-hearth steel ALEXANDER LYMAN HOLLEY SEE PAGE 251 The Iron and Steel Magazine Je veux ait mond publier dune plume de fer sur un papier dacier. Vol. XI March, 1906 No. 3 IRON-CARBON ALLOYS WITH HIGH PERCENTAGES OF CARBON * By F. WUST ^pHE chemical analysis of metals and alloys and the testing?* of their mechanical properties has only recently becomeeffective for the metallurgist through the explanations of thenature of alloys. Through Prof. A. Martens of Berlin, themicroscope as an aid in the investigation of metals and metalsolutions has come into vogue; and to the application of thismethod of investigation in connection with the study of theprocesses of cooling and solidification is due the knowledge ofmany new facts concerning the nature of alloys. A peculiar circumstance in reference to the investigationof the iron-carbon alloys is that the alloys of iron with a low percent of carbon, that is iron and steel, have been examined muchmore thoroughly and completely than
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