Patents for inventions. (Period 1916-20 A.D., Class 118 (ii))


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Signals including marine signals


    Additional title:

    Abridgments Specifications



    Publication date :

    1925


    Size :

    200 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Signals (including marine signals)

    Engineering Index Backfile | 1928


    Safety at sea through marine signals

    Wiedemann, G. | Engineering Index Backfile | 1955


    RAILROAD COLOR LIGHT SIGNALS INCLUDING WIND REDUCTION ELEMENTS

    FLETCHER NATHAN / LONG ZHENZHONG | European Patent Office | 2022

    Free access