With view to laying foundation for study of relays for railway signals, author enumerates various kinds of alternating current relays adopted hitherto by State Railways, and describes their progress, design, construction, and characteristics.


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    Title :

    Investigation of relays for railway signals (Pt I -- Summary report on alternating current relays)


    Additional title:

    Japanese Gov Rys -- Bul


    Contributors:
    Komori, S. (author) / Miyamoto, M. (author) / Obara, S. (author)


    Publication date :

    1940


    Size :

    124 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Japanese