Electrochemical and metallurgical industry . -uniacc.—F. A. J. FitzGerald and P. McN. Bennic,792,255. June 13. .\pplication filed Dec. 3, furnace chamber, shown in Fig. i, is divided into anydesired number of independent compartments 9, 10. separated. _ - 17 FIG. I.—ELECTRIC RESIST.\N(E FI RN,\CE. by refractory walls. These walls comprise resistors 11 andrefractory facings 12 which may be of the same character asthe lining 6. The several resistors 11 are coimected elec-trically in series by resistors 13 placed at opposite ends ofadjacent compartments. The principal terminals are at 14
Electrochemical and metallurgical industry . -uniacc.—F. A. J. FitzGerald and P. McN. Bennic,792,255. June 13. .\pplication filed Dec. 3, furnace chamber, shown in Fig. i, is divided into anydesired number of independent compartments 9, 10. separated. _ - 17 FIG. I.—ELECTRIC RESIST.\N(E FI RN,\CE. by refractory walls. These walls comprise resistors 11 andrefractory facings 12 which may be of the same character asthe lining 6. The several resistors 11 are coimected elec-trically in series by resistors 13 placed at opposite ends ofadjacent compartments. The principal terminals are at 16 is an auxiliary terminal. Producing Tungsten Siccl.—E. D. Kendall, 795,517. July 25Application filed May 31, of tungsten ore are granulated and mixed withmetallic zinc dust and fragments of iron, free from mixture is treated in an electric furnace. The escapinjjzinc oxide fumes are collected in an outside chamber. lilcclrtf Furnace.—H. N. Potter (assigned to Cieorge West-inghousc), Aug. 22. Application filed July Gaim 3 is for the method of reducing the terminal voltageof a conducting gap, which consists in subjecting the said gapto the influence of great heat. The inventor uses the arc g.
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