Diagrams and desription of helicopter patents dating from 1768 to present; jet propulsion of helicopters. Before Helicopter Assn. (see also - n 2243 Jan 18 1952 p 66-67; Aircraft Eng v 24 n 278 Apr 1952 p 92-105)


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    Title :

    Helicopter history


    Additional title:

    Flight


    Contributors:

    Published in:

    Flight ; 61 , n 2244


    Publication date :

    1952


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Helicopter history

    Hayward, L.H. | Engineering Index Backfile | 1952




    Helicopter Control Systems: A History

    Raymond W. Prouty / H. C. Curtiss | AIAA | 2003