Reduction of the double chloride by sodium; Illustration Average cost of manufacture at Salindres in 1872 Frishmuth's process; Patent claims Deville's and Watts's comments; Reduction by hydrogen; PAGE Dr. Hunt's address before the National Academy of W. P. Thompson's complete description of the process 197 Illustrative description of the furnace; Mode of operat- Reduction by iron; Lauterborn's process not new; Pa- tents of F. Lauterborn and of H. Niewerth Preparation of aluminium and sodium in the Bessemer Reports of Fremy, Watts, Benzon, Evrard Silicon bronze, by Evrard; Ostberg's statement of the iron-aluminium alloy used in the mitis process; Re- duction with copper; Calvert and Johnson's process Kagensbusch's proposition; Gaudin's "economic❞ reduc- Metals coated with aluminium by Thomas and Tilly; Patented process by J. A. Jeancon; Experiments by M. Mierzinski's denial of the successful deposition of alu- Buchner's treatment of commercial aluminium to elimi- Frishmuth's solders; Kerl and Stohman on Mourey's solders, with formulæ PAGE Process of Bell Bros. Veneering with aluminium; Deville's account of the Dr. Clemens Winckler on this subject Gilding and silvering aluminium; Failures of Deville Watts, and Kerl and Stohman, on this subject Deville, 1859; Use of the alloy by Christofle; Alloy de- Directions to be observed in casting; Comparative Bronze for philosophical instruments; Specific gravity Melting point of 10 per cent. bronze; B. S. Procter's ex- Alloys made by Cowles Bros. Strength of these alloys by the testing machine Alloys. of aluminium and copper with other metals; Minargent; P. Baudrin's alloy; James Webster's Silicon and aluminium bronze, Cowles Bros.; Aluminium and iron; Tissier Bros.' alloy; Deville, Rogers Fremy and Mierzinski on aluminium alloys Ostberg's note to the Engineering and Mining Journal; Watts's note; Mr. Sellers's series of experiments Aluminium and zinc; Tissier Bros., Deville, Kerl and Stohman, and Fremy on these alloys. Aluminium and antimony; Tissier, and Kerl and Stoh- man; Aluminium and bismuth; Tissier and Watts |