File:Electric railway journal (1916) (14572733919).jpg

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English:

Identifier: electricrailway471916newy (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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B. & O. ELECTRIFICATION- -MAP AND PROFILE OF ELECTRIFIEDLINE system was unsatisfactory, while the presence of gasesfrom steam locomotives resulted in high maintenancecost. In 1902 the overhead conductors were replaced bythird-rail system, the larger part of which is still inservice. A special form of protection has been pro-vided on account of flush platform construction at pas-senger stations. As a further safety measure auto-matic sectionalizing switches were installed, but theseproved unsatisfactory and were discontinued. To provide a continuous supply of current to the loco-motives at double slip switches where the gaps are toogreat to be spanned by the third-rail shoe, a special ar-
Text Appearing After Image:
B. & O. ELECTRIFICATION—MOVABLE SECTIONS OF THIRD-RAIL AT CROSS-OVERS 1076 ELECTRIC RAILWAY JOURNAL (Vol. XLVII, No. 24 rangement of movable third-rail is used to avoid thenecessity for overhead conductors. These consist ofstructural T-irons located inside the crossing tracks andat such other points where the standard third-railwould be fouled by trains using the cross-over. In theoperating position these rails are level with the top ofthird-rail but normally are lowered to the track raillevel, in which position current is automatically cut off.The rails are controlled from the signal tower and areproperly interlocked with the switch levers. After ten years of service the third-rail in the How-ard Street tunnel became so badly corroded, due to ac-tion of the locomotive gases and electrolysis, as to re-quire its complete renewal, at which time the type ofinsulators and guard board support were redesigned toovercome certain faults in the original construction.This new design has b

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https://www.flickr.com/photos/internetarchivebookimages/14572733919/

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Volume
InfoField
1916
Flickr tags
InfoField
  • bookid:electricrailway471916newy
  • bookyear:1908
  • bookdecade:1900
  • bookcentury:1900
  • booksubject:Electric_railroads
  • bookpublisher:_New_York__McGraw_Hill_Pub__Co
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Smithsonian_Libraries
  • bookleafnumber:1098
  • bookcollection:smithsonian
Flickr posted date
InfoField
27 July 2014

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