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 239
Fig. 82. Exterior and Interior View of Enclosed Arc Lamp other accessories of the lamp except the controlling switch shouldbe contained in the lamp case itself. Fig. 82 shows a modern typeof enclosed arc lamp and its mechanism. The flaming arc lamps now in common use call for the sameprecautions as…
Electrical engineering
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