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 262
r good makes to approach a straight line of regulationnearer than 1| per cent either side of it for the extreme variation. Curve of magnetic Distribution.—This curve .is constructedfrom existing dynamos to show the distribution of the field about the pole-pieces ; it can be plotted on the regular…
Electrical engineering
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