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 349
Fig. 21. Flat Tongs … Fig. 21. Gad Tongs hot longer, than small ones and the surface will tend to oxidize andflake off upon exposure to the air while hot. For ordinary forgingoperations this is no disadvantage beyond reducing the size of thepiece slightly but, when welding two pieces together, this o.xide 310 WELDING 17…
Electrical engineering
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