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 521
case is simply an enlargement of the trolley wire,and as used might have better been one large trolley wire. TROLLEY WIRE 2. A modification of the above system is the folloAving. In this secondsystem the trolley wire is cut into sections, and while losing the extra con-ductivity of the continuous… … FIG. 61. Both above systems are now somewhat out of date, although occasion-ally used on the smaller roads. 3. The system shown in the following cut is more of a real feeding systemthan either of the previous two. The trolley wire is connected directly to the dynamo, but is also fed atvarious…
Electrical engineering
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