Military, commercial and private aviation activities; outline of aviation history to date; factors that have tended to stimulate or to retard aviation progress; present conditions and future trends; aviation lessons learned during war; lack of known constant factors for use in estimating initial costs, operating charges and maintenance expense constitutes great present barrier to aviation progress.


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    Title :

    Commercial aviation's present phase


    Additional title:

    Soc. Automotive Engrs. -- Jl.


    Contributors:


    Publication date :

    1926


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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