Interlocking with centralized-traffic-control type of control machine, and circuits and locking arranged on all-relay principle installed by Western Pacific at Keddie, Calif; signals are of searchlight type; switches located 1/2 mi from control office.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    All-relay interlocking on western pacific


    Additional title:

    Ry Signaling


    Contributors:
    Coles, J.R. (author)

    Published in:

    Publication date :

    1934


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





    Western Indiana installs all-relay interlocking

    Engineering Index Backfile | 1935


    Texas and pacific new all-relay interlocking

    Engineering Index Backfile | 1949


    RELAY INTERLOCKING DEVICE

    NARA KEISUKE / TANIMOTO SATOSHI / FUJII SHIHARU et al. | European Patent Office | 2024

    Free access

    Relay interlocking in Germany

    Engineering Index Backfile | 1952