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 448
low pipe or torchis used, and a forge for large work. A torch alone is ordinarilyinsufficient as the heat must be put where it is needed and heldthere. This is usually done by building around the work withcharcoal which becomes incandescent from the heat of thegasoline flame, and also gives off… … Fig. 4,470.—Brazing a small chain link in charcoal with a blow pipe. Place the broken linkin a small hole scooped in the charcoal and heat with the candle flame and blow pipeafter applying the solder and flux. In brazing in the smiths forge it is well to hold the work high up,that is, so that it…
Electrical engineering
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