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Thread: History of the Helicopter - video

  1. Jun 12, 2020, 08:13 PM #1
    Altair
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    History of the Helicopter - video

    The History of the Helicopter, an old film from 1952. 17:43 video.




    Previously:

    Sikorsky H-2 coaxial rotor helicopter - photo
    1922 helicopter prototype - GIF
    Bell HSL-1 helicopter - photo
    Hughes HX-17 heavy-lift helicopter - photos
    Sikorsky-Boeing SB-1 Defiant helicopter - GIF

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