Installation by Boston and Albany Railroad at its now station in Springfield, Mass., centralizes control of all switches and signals; details of interlocking machine, switches, signal, track circuits, track and signal indicator, telephone service, and power supply. (See also Am. Soc. Mech. Engrs. -- advance paper for meeting Oct. 1 5 pp., 9 figs)


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    Title :

    Electric interlocking system


    Additional title:

    Ry. Signalling


    Contributors:

    Published in:

    Publication date :

    1928


    Size :

    5 pages


    Remarks:

    14 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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