Machinery, or measuring instruments, inside a room at the U.S. Army Ballistic Laboratory

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  Measuring instruments at the U.S. Ballistic Laboratory, Aberdeen Proving Ground

  Manuscripts

  Machinery, Ballistics Research Laboratory. Photographer: Photographic Measurements Section, U.S. Army Ballistic Laboratory. Note in the hand of Grace (Burke) Hubble: "EPH, Huntington Library Collection." Possible measuring instruments, in three compartments, labeled Pitch, Lift, Drag.

  mssHUB 1044 (9)

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  Equipment and machinery at the U.S. Army Ballistic Laboratory

  Manuscripts

  Equipment and machinery in the U.S. Ballistic Laboratory. Photographer: Photographic Measurements Section, Ballistic Research Laboratory Note in the hand of Grace (Burke) Hubble: "EPH, Huntington Library Collection."

  mssHUB 1044 (5)

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  Equipment and wires in a room at the U.S. Army Ballistic Laboratory

  Manuscripts

  Equipment and wires in a room at the U.S. Army Ballistic Laboratory. Photographer: Photographic Measurements Section, Ballistic Research Laboratory Note in the hand of Grace Burke Hubble: "EPH, Huntington Library Collection."

  mssHUB 1044 (4)

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  Machinery, equipment, and men working with the supersonic wind tunel, U.S. Army Ballistic Laboratory

  Manuscripts

  Machinery and equipment , and men working with the supersonic wind tunnel, U.S. Ballistic Laboratory. Photographer: Photographic Measurements Section, Ballistic Research Laboratory. Note in the hand of Grace (Burke) Hubble: "EPH, Huntington Library Collection."

  mssHUB 1044 (7)

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  Viewing and camera equipment, U.S. Army Ballistic Laboratory

  Manuscripts

  Viewing and camera equipment at the U.S. Army Ballistic Laboratory. Note in the hand of Grace Burke Hubble: "EPH, Huntington Library Collection."

  mssHUB 1044 (3)

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  Equipment, machinery, and men working with the supersonic wind tunnel, U.S. Army Ballistic Laboratory

  Manuscripts

  Equipment, machinery, and unidentified men working with the supersonic wind tunnel in the U.S. Army Ballistic Llaboratory. Note in the hand of Grace Burke Hubble on verso: "EPH Supersonic Wind Tunnel, Huntington Library Collection."

  mssHUB 1044 (2)