An extensive ruler used as a computer in navigation to calculate travel time between map points or to calculate ground speed is described. The ruler has a time scale that can be adjusted at length to equal map distances travelled at a designated speed in a time period such as sixty minutes. A means for fixing the length of the ruler is also provided.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Ruler for making navigational computations


    Contributors:

    Publication date :

    1966-01-18


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Ruler

    ISO NOBUAKI | European Patent Office | 2016

    Free access

    Navigational satellites

    Swale, J.F. | Engineering Index Backfile | 1961


    Navigational device

    ALHANBALI SR OTHMAN ABDULRAHIM RADI | European Patent Office | 2021

    Free access

    Navigational aids

    KNEUPER JEREMY JOSEPH / LANIER JOHN ROBERT | European Patent Office | 2017

    Free access

    Navigational Modules

    Ng, Tian Seng | Springer Verlag | 2018