. Journal. s arranged in i toe plate of each pair is made of material such as asbestos, &c, of high insulating properties, and is I atcd, tufts or small coils of metal gauze or the like inserted in the perforations and connected together m a scries. The other plate may be an enamelled et and act as a dielectric and pole, or may be ss, when it acts as a dielectric only. The apparatus tinged in one compartment of a portable, casing, latter is provided with a fan, and with a filtering her, through which the air is forced cither bi fore er being ozonised.—E. S. [Electrically] Refining and Purifyin
. Journal. s arranged in i toe plate of each pair is made of material such as asbestos, &c, of high insulating properties, and is I atcd, tufts or small coils of metal gauze or the like inserted in the perforations and connected together m a scries. The other plate may be an enamelled et and act as a dielectric and pole, or may be ss, when it acts as a dielectric only. The apparatus tinged in one compartment of a portable, casing, latter is provided with a fan, and with a filtering her, through which the air is forced cither bi fore er being ozonised.—E. S. [Electrically] Refining and Purifying . H. itzmaim. Eng. Pat. 20,905, Dec. 9, 1904. HI A., page 288. United States Patents. ttric. —. J. M. Morehead, Chicago. , i I nam Carbide Co., Niagara Falls. Pat. 782,917, 21, 1905. upper part of the furnace, which in the example is of the drum form, is practically closed by a hood > dips into the material forming the charge. The codes pass through the top of the hood which is water-. cooled and provided with shafts for the exit of the gases andfor introducing the charge into the furnace chamber. —R. S. H. Furnace ; Electric •. G. O. Seward, Holcombs Rock, Va., Assignor to Willson Aluminium Co., New Pat. 783,73(5. Feb. 28, 1905. In combination with the cover of an electric furnace,having an aperture through which an electrode pasclaim is made for a separate lid fitting within the apertureand having a flange which rests on the cover, this lidforming a complete ring around the electrode and holdingit in position. The lid may be provided with a passagefor the circulation of cooling water.—A. S. Ores; Smelling Refractory . [Calcium Carbide]. E. F. Price, Niagara Falls. Assignor to Union CarbideCo., Niagara Falls. Pat. 782,922, Feb. 21, charge of carbon with some calcium compound isinterposed as a resistance-conductor between super-posed electrodes. The lower electrode, forming thehearth of the furnace and near which is the zone ofmaxi
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
