Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 444
ision. _ Now apply hard solder to the place to be united, which inmelting, forms an alloy with the eliminated copper, the alloy combining with the decarburizedsurfaces of the cast iron. 3,098 HAWKINS ELECTRICITY Muffle Brazing.—As indicated by the title, a tube or muffleis used in this method for… … Fig. 4,467.—Brazing by immersion or dipping. The brazing solder is melted in a pot on thecoal fire, as shown, or better in a gas furnace, flux being placed on top of the solder. Inbrazing, hold the object first in the flux a little while to heat and coat the article with afilm of flux. Then, when…
Electrical engineering
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