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 407
Fig. 91. Double Treadle Butt WelderCourtesy of Toledo Electric Welder Company … Fig. 92. Principal Parts of Spot WelderCourtesy of Toledo Electric Welder Comvanv 364 WELDING 71 lap weld, as in Fig. 90. Special machines have been developed bythe various manufacturers for numerous operations and for a widerange of articles, a few of which are shown in subsequent illustra-tions,…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
