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 395
Fig. S3. Broken Housing of Radial DrilCourtesy of C & C,Electric and Manu-facturing Company Fig. 84. Radial Drill Housing Welded with Graphite Electrode Courtesy of C & C Electric and Ma n ufacturing Company
Electrical engineering
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