Commutators in service on Pennsylvania Railroad locomotives must stand peripheral speeds of 9000 ft per min at 1900 rpm; precision methods in railroad shop have doubled brush life on series a-c motors.


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    Title :

    Core of commutators


    Additional title:

    Ry Elec Engr


    Published in:

    Publication date :

    1942


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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