File:The street railway review (1891) (14757425094).jpg

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Identifier: streetrailwayrev161amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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c-tion and the Montauk Division from Springfield Junction to Val-ley Stream. Current for the operation of the cars on these divi-sions is generated in the Long Island City power house and trans-mitted to sub-stations whets, it is converted and fed to the workingconductors. After a thorough study of traffic conditions Woodhaven Junction, portable sub station site to enclose the terminals and shelter theportable apparatus when in use As a means of reaching a decision as to whether th.head or underground type of construction shoud predominatein the transmission system, a very careful study was made of therecord of experience in operating lines of great length and of largecarrying capacity. Comparing the causes and effects of the troublesin the two classes of construction, the general conclusion wasreached that, while an overhead line is liable to more frequent in-terruption through minor troubles than an underground line, theinterferences with continuous operation on an underground line.
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S1>L£ ft ■-.■:, • ■aUB-SrJT.O/V O PO/?TABl£ SCB- STAT/O/V MAP SHOWING LINES OF THE LONG ISLANn R. R. East New York, Grand Ave., Rockaway Junction and Hammelwere selected as permanent sub-station locations. Since the originalinstallation described in this article was completed, a sixth sub-station has been located at Valley Stream, receiving its power froman extension of the overhead line by way of Springfield Junction.Two portable sub-stations were also provided as the most econom-ical method of supplying current for the very heavy periodic trafficto and from the Metropolitan race track south of Jamaica, and thenew Belmont Park race track about five miles east of Jamaica.These loads occur for two hours each day for periods of two weeks,twice a year. Each portable substation consists of a i,ooo-kw. ro-tary converter, together with its transformers and switchboard,mounted in a heavy steel box ear. A house, built of structural steeland enclosed with expanded metal and concre

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16, part 1
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27 July 2014

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current11:08, 14 September 2015Thumbnail for version as of 11:08, 14 September 20151,694 × 1,504 (351 KB) (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Identifier''': streetrailwayrev161amer ([https://commons.wikimedia.org/w/index.php?title=Special:Search&profile=default&fulltext=Search&search=insource:/streetrailwayr...

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