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 421
en devised andFig. 107 shows the cars and other details of the equipment required. 377 84 WELDING A large spot welder, the details of which are shown in Fig. 108, isused and is made so that the jaws hang vertically down from acrane, with a transformer suspended between them. Pressureis applied… … Fig. 106. Spot Welder tor Pressed Meial Fran.esCourtesy of Toledo Electric Welder Company brought together and clamped in the jaws of a butt welder. Mostof the current will cross the joint, because the jaws are set closeand the path across the joint offers the least resistance, although apart of…
Electrical engineering
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