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 410
if -fP ■#-■ Fig. 94. Toledo Small Butt Welder Fig. 9.5. Butt Welder Clamps for Pipes Courtesy of Thomson Electric WeldingCompany … Fig. 90. Foot-Operated Butt WelderCourtesy of Geuder, Paeschke, and Frey Company 367 74 WELDING matically after the parts are clamped into position. Foot leversare also provided on some forms of machines, Fig. 96, for clampingin order to leave the workmans hands free to handle the work.Spot…
Electrical engineering
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