Coded track circuit, introduced about 7 yr ago, has been used for number of important installations in United States, eliminating line wires; particulars given are based chiefly on remarks made by J. J. K IRSCH, in paper presented before Assn American Railroads, in 1940; d-c and a-c coded track circuits discussed.


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    Title :

    Coded track circuits


    Additional title:

    Ry Gaz


    Published in:

    Publication date :

    1942


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English