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 514
Fig. 54. Showing 7-inch Girder Rail, double bonded with twoBonds, one on each side of rail. Electrical connectionof 425,000 cm. … Fig. 55. Showing 9-inch Grooved Girder Rail double bondedwith two Bonds, one in each chamber and both on sameside of rail. Electrical connection of 425,000 cm. 502 ELECTRIC STREET RAILWAYS.
Electrical engineering
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