Brief review of Dr. Kemmann's book, describing signaling installation on elevated and underground line in Berlin, which is equipped with up-to-date automatic block and interlocking system; semaphores used on elevated and light signals underground with mechanical-trip train stops.


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    Title :

    Signals on the Berlin subway and elevated


    Additional title:

    Ry. Signal Engr


    Contributors:

    Published in:

    Publication date :

    1923


    Size :

    4 pages


    Remarks:

    9 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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