International Library of Technology · Scranton, International Textbook Co. · leaf 394
to feed the car-bons together as they burn away. But before looking intothe subject of arc-lamp mechanisms, it will be well to takeup the methods used for supplying current to the lamps,because this has a bearing on the style of mechanism used. SERIES DISTRIBUTION. 30. Most of the arc lamps used… … t, f represent the terminals of the lamps, and are marked -j-and — to distinguish them from each other. The currentflows through the lamps in the direction indicated by thearrows. The -|- terminal should in each case connect to § 18 ELECTRIC LIGHTING. 27 the upper carbon and the negative terminal…
Electrical engineering
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