Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 495
onstruction is shown in the cut ofSeries-parallel controller, form K2, following. The theory of the solenoid blow-out of the Walker Company is said to bethat the arc is lifted out of place, and eases down the current, thus cuttingit off easily, and without bad inductive effects. The following cut… … ElG. 35. Enlarged diagram showing theory ofSolenoid Blow-out Controller of WalkerCompany. Controllers are now made in so many forms and varieties that it is im-possible to give more than a few of the combinations which are practi-cally the same everywhere in the United States.
Electrical engineering
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