File:Electric railway journal (1914) (14761704025).jpg

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English:

Identifier: electricrailway431914newy (find matches)
Title: Electric railway journal
Year: 1908 (1900s)
Authors:
Subjects: Electric railroads
Publisher: (New York) McGraw Hill Pub. Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
-pany has had tested for conductivity a sample of its PREMIER PIECE OF MANGANESE SPECIAL WORKFOR BUENOS AYRES SUBWAY What is stated to be the largest piece of manganesesteel permanent way in the world was recently com-pleted for the new Buenos Ayres Electrical Subwayby Hadfields Steel Foundry Company, Ltd., Sheffield,England. This great assembly of Era manganesesteel special work is 520 ft. long and weighs 160 longtons. It will be installed at the Primera Junta station,where two island platforms will be provided to handlea four-track service. The layout is described by itsmakers as following the standard adopted for heavyBritish railway service, namely, the rails are of theBritish standard bullhead section weighing 90 lb. peryard and are to be secured in cast-iron chairs withoak keys. Both the rails and the crossings are of man-ganese steel. This extensive and complicated layouthas sixteen standard single crossings, four special sin-gle and eight special compound crossings. The cross-
Text Appearing After Image:
A Remarkable Piece of Manganese Special Work Assembled at the Makers Yards Before Shipment for Use in Buenos Ayres Subway System American Ingot iron, a metal of a high degree ofpurity, with the idea that the absence of foreign mate-rial should produce a high conductivity. That this is>actually the case is shown by the fact that the con-ductivity was found to be 16.78 per cent on Mathiessensstandard where the soft-drawn copper is assumed tohave a resistance of 0.141729 international ohm permetergram at 0 deg. Cent., a resistance temperature co-efficient of 0.0042 per deg. Cent, from and at 0 deg. Cent,and a specific gravity of 8.89 at 0 deg. Cent. The conductivity was 16.76 per cent based on theinternational standard for annealed copper having a re-sistance of 0.15328 international ohm per metergramat 20 deg. Cent., a resistance temperature coefficient atconstant mass of 0.00393 per deg. Cent, from and at 20deg. Cent, and a density of 889 grams per cubic centi-meter at 20 deg. Cent.

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Volume
InfoField
1914
Flickr tags
InfoField
  • bookid:electricrailway431914newy
  • bookyear:1908
  • bookdecade:1900
  • bookcentury:1900
  • booksubject:Electric_railroads
  • bookpublisher:_New_York__McGraw_Hill_Pub__Co
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Smithsonian_Libraries
  • bookleafnumber:1311
  • bookcollection:smithsonian
Flickr posted date
InfoField
27 July 2014

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current00:30, 15 September 2015Thumbnail for version as of 00:30, 15 September 20152,452 × 1,486 (1.13 MB) (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Identifier''': electricrailway431914newy ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Felectricrail...

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