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 468
.08 to. 1; silicin, .09 to .2;sulphur, .03 to .04; phosphorus, .04 to .05; aluminum, .07 to .18. Electric Welding.—By the electric process, all metals andalloys can be welded, and dissimilar metals and alloys united,because the temperature can be maintained or increased whilethe weld is being made.… … Fig. 4,501.—Operator using C and C electric arc welding metallic electrode. The electrodeitself is melted and supplies the extra metal necessary for welding or building up. 1. The impossibility of introducing foreign matter into the weld. 2. Uniform heating of the area to be welded. 3. Continuous…
Electrical engineering
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