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 453
9.3 7.9 120 61.9 38.7 30.9 20.6 15.5 12.4 10.3 8.7 Note. — See also chapter on Conductors.For table of stranded wire for spans and guys see page h 18, Propertiesof Conductors. 440 ELECTRIC STREET RAILWAYS. Span wires should be stranded galvanized iron or steel, sizes J inchdiameter &, J, or §… … Fig. 8. Section of Track and Overhead Construction in Broad Streets,showing Double Overhead Wires and Underground Feeder Conduits.
Electrical engineering
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