British development of helicopter by Westland Aircraft Ltd, from American design; Westland-Sikorsky S-51 is 4-seater general purpose helicopter powered by Alvis Leonides engine.


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    Title :

    Helicopter progress at Yeovil


    Additional title:

    Aeroplane


    Published in:

    Aeroplane ; 74 , n 1917


    Publication date :

    1948


    Size :

    4 pages


    Remarks:

    Photographs and 3-view drawings


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :