File:The Street railway journal (1901) (14755359351).jpg

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Description
English:

Identifier: streetrailwayjo181901newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

View Book Page: Book Viewer
About This Book: Catalog Entry
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Text Appearing Before Image:
ONE TYPE OF THIRD-RAIL INSULATOR with co))per, is i to 11. No feeders have been provided,the various sub-stations feeding directly into the third-railsystem. At each sub-station the third rail is sectionalized,each side being fed from its corresponding feeder panel.All the sub-stations will thus work in ))arallel on the direct-current side, as well as on the high-tension alternating-side. Therefore, it may happen that, should the high-
Text Appearing After Image:
CONNECTIONS BETWEEN THIRD RAIL AND UNDERGROUNDCABLES tension circuit be automatically opened in one of the sub-stations and the direct-current circuit remain closed, therotary converters of the station would draw current fromthis third rail, and start to run as direct-current motors withthe series field in opposition to the shunt. To eliminate thissource of danger, a reverse-current relay has been attachedto the automatic circuit breakers on the direct-current con-verter panels, which, by means of an auxiliary shunt coil,trips the circuit breakers when the current tends to reverseits normal direction of flow. The track is laid with rails weighing 72 lbs. per yard, placed on wooden cross ties. The length of rails for thenew track laid between Rho and Gallarate is 38 ft., the re-mainder have a.length of 30 ft. The rails are bonded withsingle 0000 B. & S. solid crown bonds, and the rails andtracks cross-connected with the same size of bonds, at in-tervals of 325 ft. The conductivity

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https://www.flickr.com/photos/internetarchivebookimages/14755359351/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
1901
Flickr tags
InfoField
  • bookid:streetrailwayjo181901newy
  • bookyear:1884
  • bookdecade:1880
  • bookcentury:1800
  • booksubject:Street_railroads
  • booksubject:Electric_railroads
  • booksubject:Transportation
  • bookpublisher:New_York___McGraw_Pub__Co_
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Smithsonian_Libraries
  • bookleafnumber:159
  • bookcollection:smithsonian
Flickr posted date
InfoField
27 July 2014

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14755359351. It was reviewed on 16 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

16 September 2015

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