Graphic time-recording system of corporation has proved successful means for checking regularity of surface trolley car service; equipment consists of 7 Esterline graphic headway-recording instruments and 128 Nachod trolley contractors with associated control apparatus.


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    Title :

    Brooklyn and Queens transit Corp. uses automatic headway recorders as part of signaling system


    Additional title:

    By Signalling


    Contributors:

    Published in:

    Publication date :

    1932


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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