Two derricks having extremely long booms reaching total height of approximately 200 ft used in erection of roof framework; derricks coupled and built into traveler running on three railroad tracks and mounted on 12 railroad car trucks; cross frame; counterweights; telephone system.


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    Title :

    Novel erection of blimp hangars


    Additional title:

    Constructor


    Published in:

    Constructor ; 25 , n 9


    Publication date :

    1943


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :



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