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 420
Fig. 104. Spot Welder for Bonding RailsCourtesy of Electric Rnihvay Improvement Company … Fig. 105. Bonded RailCourtesy of Electric Railway Improvement Company chines for welding the joints in track rails have been 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…
Electrical engineering
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