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 463
e should be thoroughly fused before adding metal from thewelding rod, and the latter should be held close to, or in contact withthe surface. Thermit Welding.—This process consists in pouring super-heated thermit steel around the parts to be united. This thermitsteel is produced by the chemical… … Figs. 4,491 to 4,493.—Mould for thermit welding of locomotive frame that has been brokenbetween the pedestals at A. The mould surrounding the broken part should be so arrangedthat the molten thermit will run through a gate to the lowest part of the mould and risethrough into a large riser. In the…
Electrical engineering
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