File:The Street railway journal (1908) (14760194625).jpg

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Description
English:

Identifier: streetrailwayjo311908newy (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

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About This Book: Catalog Entry
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Text Appearing Before Image:
n height and that the trolley is supported 22 ft. fromthe rail level. The center line of the bracket is 22 ft. 11in. from the rail level. These brackets are of standardGeneral Electric make, and are built up of two angle ironseach of the following dimensions: 2 in. x i>^ in. x J4 in-The two lengths of angle iron are joined at the extreme sists in the initial installation of the messenger and permitsan even sag being easily obtained. This stiffness is alsoof great moment in the event of a breakage in the line, asthe trolley and messenger remain undisturbed beyond twoor three spans from the break. Fig. 19 is a good illustration of the steady braces in serv-ice. These are also standard General Electric line mate-rial. They are built up of a porcelain insulator and alength of well seasoned hickory wood. They are furnishedat one end with a malleable iron hinged joint and at theother end with a malleable iron goose neck provided withan ear for gripping the groved trolley wire. The method
Text Appearing After Image:
nn Laltesiilc- Line ...r FIG. 22.—DRAWING SHOWING DETAILS OF INSULATED CROSS-OVER end remote from the pole by means of a space block andrivet, and also by a second space block situated at approxi-mately 2 ft. from the riveted end. This second spaceblock serves to hold one end of the guy rod used to sup-port the bracket from the pole. Piie slot, formed by thetwo angle irons between these blocks, serves as a means ofadjusting the insulator pins to bring the messenger andtrolley in alignment with the track; it also provides a means of attaching these to the bracket will be seen in the illus-tration last referred to. The insulators were supplied partly by the General Elec-tric Company and partly by Locke. They are 4^^ in. inheight and 6^ in. in diameter and were tested up to apressure of 50,000 volts. The messenger clips and hangers are built up of a gal-vanized iron bar in. in diameter, threaded at both ends. 372 STREET RAILWAY JOURNAL. (Vol. XXXL No. io. A standard ear is screwed to o

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https://www.flickr.com/photos/internetarchivebookimages/14760194625/

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
1908
Flickr tags
InfoField
  • bookid:streetrailwayjo311908newy
  • 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:382
  • bookcollection:smithsonian
Flickr posted date
InfoField
27 July 2014

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