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 446
eating is necessary before welding and slow coolingafterwards. High silicon cast-iron melt-bars, which are low insulphur and phosphorus, are used, and borax forms this flux. Castiron runs freely and a mold should be made around the spot to bewelded to retain it, and the work must be done…
Electrical engineering
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