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 502
I V … Figs. 42 and 43. Diagrams for Dimensions of Controllers. THE iPRAGUE MULTIPLE V]¥IT SYSTEM. BY FRANK J. SPRAGCTE IN STREET RAILWAY JOURNAL, MAY, 1901. This system, briefly defined, is a system of control of railway motor con-trollers, whatever their number and wherever situated in a train, through…
Electrical engineering
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