Gen. O.P. Echols

Gen. O.P. Echols

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Gen. O.P. Echols Movies

  • 1943
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    The Turbosupercharger - Master of the sky
    The Turbosupercharger - Master of the sky

    1 1943 HD

    Training film demonstrating the usage of the turbosupercharger, a device for providing greater engine capability at high altitude. Various techniques...

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