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 378
5 volts for welding. In one form of thismachine the current is varied by changing the strength of inter-poles, cutting out certain sections of the windings with suitablesv. itches, but the arc is so sensitive that the current will varyover a considerable range, if the operators hand is not… … Fig. 64. Single \\cklcr tiiemund Wenzel Unit
Electrical engineering
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