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 523
6. For long roads the system shown in the following cut may be usedwith advantage, as, with heavy trolley wire such as should always be usedon long lines, the trolley wire can be reinforced by the feeders as shown, … Fig. 65. as to maintain a fairly constant pressure, and advantage be taken of all theconductivity of the system. On double-track roads all the trolley systemshould be united and at frequent intervals, so that advantage may be takenof the full conductivity installed. 7. A system sometimes used on…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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