1–10 of 10 hits
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    Aerial freight transportation

    Engineering Index Backfile | 1931
    Keywords: Aerial transportation

    The airplane finds oil

    Sagendorph, K. | Engineering Index Backfile | 1929
    Keywords: Aerial surveying

    Freighting by air

    Gilbert, W.E. | Engineering Index Backfile | 1945
    Keywords: Aerial transportation

    Use of airplanes in mining and petroleum operations

    Wolflin, H.M. | Engineering Index Backfile | 1934
    Keywords: Aerial transportation

      Use of airplanes in mining and petroleum operations

      Wolflin, H.M. | Engineering Index Backfile | 1934
      Keywords: Aerial transportation

    Aeroplanes for prospecting

    Engineering Index Backfile | 1929
    Keywords: Aerial transportation

    Navy Lasers, Railgun, and Gun-Launched Guided Projectile: Background and Issues for Congress

    R. O'Rourke | NTIS | 2021
    Keywords: Unmanned aerial systems , Unmanned aerial vehicles