Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 215
rovided with automatic mechan-ism that will feed the carbon down as fast as it is consumedand so keep the arc the same length. The mechanism foraccomplishing this result in the old lamps was in somecases quite complicated, but in the modern lamp there isvery little mechanism. In general, the… … Figure 69Diagram showing action of series arc lamp^ 305 Before the carbons can drop together the current throughthe lamp is changed and the magnet strengthened and themotion of the carbons arrested, and they are drawn a prop-er distance apart. Figs. 69 and 70 are daagranas tha/t illustrate the…
Electricity
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