ECTEICITY. In recent issues of the Scientific American we have To enable the conductor rails and their supports to cable traffic. be put in place, two hand hole boxes are being placed, described at considerable length the important changes The conductors consist of two lines of T-shaped rail one on… … are the standard construc- of three steel plates, the 1.—LAYING DUCTS FOB ELECTBICAL EQUIPMENT OF BBOADWAY CABLE BOAD outer plates being y% inch tion for all the new electric roads. On the Broadway and the inner plate T\ inch road, on the other hand, the whole of the original track below the cable…
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