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 444
to welding. Heating is necessary for practically allkinds of materials in order to prevent chilling of the flame andconsequent loss of efficiency. It is also necessary to choose theproper sized tip to suit the work. Conditions of Metal and Joint. It is important to luue the sur-faces clean before… … Fig. 115. Broken Aluminum CastingCourtesy of Davis-Bournonville Company eled on the edges, unless they are less than I inch thick and fillingmaterial of similar composition used for the joint. If the plates areover I inch thick, it isadvisable to bevel fromboth sides towards thecenter in order to…
Electrical engineering
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