File:The street railway review (1891) (14574781530).jpg

Identifier: streetrailwayrev04amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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nduit railway which is being built bythe General Electric Company for the MetropolitanTraction Company of New York, on Lenox avenue, isof unusual interest because it will be the first conduitlaid in this country with the endorsement of a large andlong established electric manufacturing concern. This to a cable conduit, except that every thirty feet are man-holes 4 feet 4 inches deep. The conductors are channelirons and are supported every thirty feet by soapstonepillars 13^ inches high. These soapstone pillars areset on iron pillars placed in the manholes. Between theiron pillars and the soapstone is a layer of sulphur. Theaccompanying engraving shows both the manhole andthe yoke. The use of channel irons for conductorsobviates many difficulties that have in the past beset con-duits using wires. A conduit does not allow of muchmovement, and a good deal of trouble has been experi-enced on account of the stretch of the wires. Thisdifticulty made frequent supports necessary, and frequent
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NEW YORK CONDUIT—LENOX AVENUE. does not mean that the large concerns have not done agreat deal of private experimenting, but that those e.xperi-ments and the experiments of others have had suchunfavorable results that no concern of established reputa-tion cared to lay a conduit for regular commercial use.Then, too, there were so many other electric railwaj-problems to be solved which promised good results thatthe underground conduit business which gave so littlepromise of success had to take a back seat. The con-duit being laid at New York bears marks of beingplanned by a corps of experienced electrical engineerswho thoroughly understood the difficulties to be over-come, and in this respect is a marked contrast to someexperimental lines that have been laid in this country.The conduit laid on Lenox avenue is exactly similar supports increase the chance of leakage and breaking ofinsulators, as well as causing more sparking at the chps.This conduit is certainly the most substantial thi

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