Electric furnaces for porcelain work : appliances and materials for the making of porcelain inlays ... manufactured by the S.S. White Dental Mfg. Co.

  • S.S. White Dental Manufacturing Company.
Date:
1912
Catalogue details

Licence: In copyright

Credit: Electric furnaces for porcelain work : appliances and materials for the making of porcelain inlays ... manufactured by the S.S. White Dental Mfg. Co. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    THE HAMMOND ELECTRIC FURNACE No. 4 Without Pyrometer WIRED FOR 110 OR 220 VOLTS AS ORDERED FOR INLAYS, CROWNS, BRIDGES OF ALL SIZES AND CONTINUOUS-GUM WORK The No. 4 Furnace, although specially designed for Continuous-Gum Cases and full size ]idge% may be used with equal facility for Inlays, Crowns, and small Bridges. In fact, the operator hoi equipped with it is prepared for fusing any character of dental work, the ample dimensions f the muffle chamber providing for cases of the largest size that dentists are ever called upon to fu. provide for the heavier work the rheostat A is of twice the capacity of that in the Furnace A The muffle chamber is 3 inches wide, 1| inches high, and 3 inches deep. Supported upon three upright rods four inches above the marbleized slab B is a metal plat: on which the upper section or dome of the muffle rests. This electrically wired fire-clay dome is contained in a metal frame and cover E which is hiedal the back. The muffle base or platform D, also of fire clay wired with platinum, is attached to a movabl 'rani which by means of parallel levers P and a weighted operating handle II may be lowered and sw g en tirely clear of the dome, and without disturbing it. The heat of the Furnace may be observed ougl a Peephole in top.