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 461
of Starting the Reaction. During the experiments leadingto the development of thermit welding, the mixture of metallicoxide and aluminum was heated from the outside to start the reac-tion, but finely divided aluminum will not melt at the temperatureof cast iron and it was necessary to heat the mass… … Fig. 127. Thermit Cnicilile Pouring Cliargo into MoldCourtesy of Goldschmidt Thermit Company Equipment for the Process. The apparatus required for thermitwelding consists of a crucible, tripod, preheater, yellow wax, and aspade, with which there must also be used perishable materials con-sisting of…
Electrical engineering
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