Improvements made in design of "Autoflex" vehicle detecting system introduced by Siemens and General Electric Railway Signal Co; in its improved form pneumatic electric detector derives its increased sensitivity from mechanical simplification obtained by using electric interlock to prevent actuation of signals by vehicles crossing mat in wrong direction.


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    Title :

    Improved road traffic signalling detector


    Additional title:

    Engineer


    Published in:

    Engineer ; 188 , n 4892


    Publication date :

    1949


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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