International Library of Technology · Scranton, International Textbook Co. · leaf 386
is wanted.The curves shown inFigs. 13 and 14 representaverage distributions. Itmust be remembered thatthe arc always shiftsaround more or less, andhence the shape of thedistribution is constantlychanging and makes themeasurement of the lightgiven out in the variousdirections an exceeding-ly… … 22. Enclosed-Arc Direct-Current Damps. — Therehas been a great deal of discussion regarding the light-giving properties and efficiency of the enclosed arc ascompared with the open arc. The data here given isabstracted from a report of a committee of the NationalElectric Light Association on tests…
Electrical engineering
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