Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 383
Fig. 230. Steel Bar for Electrically Welded Joint … Fig. 231. Electrically Welded Joint culated through them so that they will not become overheatedat the point of contact with the steel blocks. Thermit IJ^clding. Dr. Hans Goldschmidt has invented amixture which he calls thermit which has been found useful 338 ELECTRIC RAILWAYS 241 in making rail…
Electrical engineering
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