Image from page 551 of “Electric railway journal” (1908) – Detroit Picture

Identifier: electricrailway471916newy
Title: Electric railway journal
Year: 1908 (1900s)
Subjects: Electric railroads
Publisher: [New York] McGraw Hill Pub. Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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p., and these are geareddirect to 48-in. driving wheels with a 4.37 ratio, therebeing two gears to each axle and a pinion on each endof the armature shaft. The motors have box frames,commutating poles and forced ventilation, which is ap-plied at all times when the engine is in motion. Thecontrol is of the Sprague-General Electric multiple-unitcype, with two master controllers in the main cab andthe contactors in the auxiliary cabs, or housings, at eachend of the locomotive. Three running positions for thecontroller are provided—series, series parallel or parallel. At the present time ten engines are in service. Sixof these are of the 100-ton type described in the Elec-tric Railway Journal for June 19, 1909, and four areof a similar design but with slightly different detailsof motor and control construction, and with consider-ably more ballast, which brings the total weight to 120tons. Tnis equipment is somewhat more than enoughto handle the existing traffic through the tunnel, there

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Tagged: , 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:551 , bookcollection:smithsonian

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