Saving of $4300 per year is said to have been brought about as result of removing small interlocking plant at Boone bridge on Chicago and Northwestern and substitute of automatic features without eliminating any of safety factors or changing operating conditions.


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    Title :

    A special circuit saves money


    Additional title:

    Ry. Signal Engr


    Contributors:

    Published in:

    Publication date :

    1920


    Size :

    2 pages


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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