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 515
Fig. 56. Showing 9-inch Girder Rail quadruple bonded withfour Bonds, two in each chamber, on both sides of rail.Electrical connection of 850,000 cm. Another form of this type of bond is that shown in Fig. 57, as made by theForest City Electric Co. of Cleveland. ^TrY ^ Fig. 57. Still another form of… … 1P§ Fig. 58. Applied either single or double under fish-plate. TRACK RETURN CIRCUIT. 503 In some types of bond the plug has a hole through it, and after placingit in the hole in the web of the rail a steel mandrel is driven through toexpand the copper outwardly to fill the hole. forest City…
Electrical engineering
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