Shadow photograph of wind tunnel test results, showing air stream from a cylindrical model

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  Shadow photograph of wind tunnel test results, showing air stream from a cylindrical model

  Manuscripts

  Shadow photograph of wind tunnel test results, showing air stream off cylindrical model, and determining minimum, Ballistics Research Laboratory. Note in the hand of Grace (Burke) Hubble: "Huntington Library. APG"

  mssHUB 1044 (14)

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  Shadow photograph of wind tunnel test results, showing air stream from a 30-degree cone head model

  Manuscripts

  Shadow photograph of wind tunnel test results, showing air stream off 30 degree cone head model, Ballistics Research Laboratory. Note in the hand of Grace (Burke) Hubble: "Huntington Library."

  mssHUB 1044 (12)

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  Shadow photograph of wind tunnel test results, showing the air stream from a 30-degree cone head model

  Manuscripts

  Wind tunnel test results, showing air stream off 30 degree cone head model, Ballistics Research Laboratory. Note in the hand of Grace (Burke) Hubble: "Huntington Library."

  mssHUB 1044 (11)

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  Shadow photograph of wind tunnel test results, showing air stream from a 30-degree cone head

  Manuscripts

  Shadow photograph of wind tunnel test results, showing air stream off 30 degree cone head, Ballistics Research Laboratory. Note in the hand of Grace (Burke) Hubble: "APG Huntington Library Collection."

  mssHUB 1044 (10)

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  Supersonic wind tunnel and equipment at the U.S. Army Ballistic Laboratory

  Manuscripts

  Four unidentified men working with the supersonic wind tunnel, Ballistics Research Laboratory. Note in the hand of Grace (Burke) Hubble: "EPH Supersonic Wind Tunnel, Huntington Library Collection."

  mssHUB 1044 (1)

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  Edwin Powell Hubble, Henry Stimson, General Harris, Colonel Eddy, R.W. Kent and 5 other unidentified men viewing the supersonic wind tunnel at the U.S. Army Ballistic Research Laboratory

  Manuscripts

  Edwin Powell Hubble, Henry Stimson, General Harris, Colonel Eddy, R.W. Kent and five (5) other unidentified men witnessing a test at the supersonic wind tunnel in the Ballistics Research Laboratory. Note in the hand of Grace (Burke) Hubble: "EPH, Henry Stimson, --at right, Gen. Harris, Col. Eddy, R.W. Kent. APG [Aberdeen Proving Grounds] --Supersonic Wind Tunnel. Huntington Library." Hubble is standing at the far left, with his back to the camera.

  mssHUB 1043 (7)