With view to laying foundation of study on relays for railway signals, author enumerates various kinds of d-c relays hitherto adopted by State Railways, and describes briefly their progress, design, construction and characteristics. See also pt I indexed in Engineering Index 1940 p 1000, from Bul v 28 n 8 Mar 25 1940.


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    Title :

    Investigation of relays for railway signals (Pt II -- Summary Report on direct current relays)


    Additional title:

    Japanese Gov Rys -- Bul


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


    Publication date :

    1940


    Size :

    51 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Japanese




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

    Komori, S. / Miyamoto, M. / Obara, S. | Engineering Index Backfile | 1940



    Alternating-current relays for railway signalling

    Engineering Index Backfile | 1951



    RELAY STATE MONITORING OF RAILWAY SAFETY RELAYS

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    Free access