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 393
58 WELDING as indicated in one detail. The method of welding the head de-pends upon the shape of it, the convex head being the most com-mon and flanged to slip inside the shell, and the welded seams areclearly indicated in the figure. Boiler makers have been slower to take up electric welding … 1 !
Electrical engineering
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