File:The Street railway journal (1907) (14758271391).jpg

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Description
English:

Identifier: streetrailwayjo291907newy (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:
the lights. CAR SIGNAL LAMPSTo enable passengers to distinguish the cars of differentlines at night, in addition to illuminated signs, colored sig-nals are used. The signal lamp contains four bulls-eyes ofdifferent colors and is so placed over an electric light thatit may be turned when it is desired to show different coloredlights. Three colors, red, green and white, distinguishthe cars of the three different lines in the city, while thefourth color, yellow, is used for special cars. Mr. Hardinhas applied for a patent on the idea of the revolving lamp. M^^ GAGE FOR MEASURING RAIL WEAR Messrs. Calvi and Perrot, track engineers of the Metro-politan Underground Railway, of Paris, have recently de-signed a micrometer gage for measuring the wear of railheads and gage line. Its construction is shown in the ac-companying design, which is reproduced from Le GenieCivil. The piece A, which fits the contour of the base ofthe rail as well as the side of the web and top of the head. SECTION »n n
Text Appearing After Image:
Street rty. Journal PORTABLE GAGE FOR MEASURING RAIL WEAR, USED ONTHE PARIS METROPOLITAN RAILWAY is provided with a handle. The vertical wear is meas-used by the graduated screw B, which is threaded in thesocket B. The wear at the gage line of the rail is readby means of the sliding plate H and the scale G. Thisreading, of course, gives the resultant of the vertical andhorizontal-wear at this point, but as the incline at the cornerof the rail is always at an angle of 45 degs. all readings canbe corrected by the same constant. Both scales are pro-vided with verniers. The gage has been found veryuseful on the Metropolitan Railway, where curves of 150ft. radius are common and where the radius in some casesis as low as 93 ft. April 6, 1907.) STREET RAILWAY JOURNAL. 575 THREE-PHASE LOCOMOTIVE WITH THREE RANGESOF SPEED FOR THE ITALIAN STATE RAILWAYS BY BELA VALATIN One of the objections most frequently raised against theuse of the three-phase system of traction on main line rail-ways is tha

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https://www.flickr.com/photos/internetarchivebookimages/14758271391/

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
1907
Flickr tags
InfoField
  • bookid:streetrailwayjo291907newy
  • 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:587
  • bookcollection:smithsonian
Flickr posted date
InfoField
27 July 2014

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