Special surveyor's transits placed at each end of 1645-ft base line make simultaneous observations of aircraft suspected of flying below legal limit adjacent to Oakland (Calif) international airport; special peep sight gives effect of gun sight.


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    Title :

    Low-flying aircraft spotted by transit triangulation


    Additional title:

    Pub Works


    Contributors:

    Published in:

    Public Works ; 87 , n 2


    Publication date :

    1956


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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