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 504
HM^HB^^^MI^H THE SPRAGUE MULTIPLE UXIT SYSTEM. 491 … 492 ELECTRIC STREET RAILWAYS. of tlie two motors, a rheostat for varying the resistance in the circuitwith them, and a motor switch for effecting series or parallel relation.These three pieces of apparatus can be physically separate, or any two orall three can be combined in one structure. * As…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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