Eight-inch blassistic shell 150 feet beyond muzzle, U.S. Army Ballistic Laboratory

You might also be interested in

• 

  Shadow photograph of air shock waves off a 37 mm shell, at the U.S. Army Ballistic Laboratory

  Manuscripts

  Shadow photograph of test results, showing air stream off 37 mm shell, Ballistics Research Laboratory. Note in the hand of Edwin Powell Hubble: "Shadow photo by spark (exp. @ 1/1,000,000 second), 37 mm shell velocity about 2500ft/sec. Note shock waves in air skin friction along sides turbulence in wake." Note in the hand of Grace (Burke) Hubble: "EPH Huntington Library."

  mssHUB 1044 (19)

• 

  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)

• 

  Liquid splash formation, U.S. Army Ballistic Research Laboratory

  Manuscripts

  Liquid splash formation, Ballistics Research Laboratory. Note in the hand of Grace Burke Hubble on verso: "EPH BRL Huntington Library Collection".

  mssHUB 1082 (6)

• 

  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)

• 

  Diagram of the Flexible nozzle supersonic wind tunnel for the U.S. Army Ballistic Research Laboratory

  Manuscripts

  Diagram of proposed flexible nozzle supersonic wind tunnel for the U.S. Army Ballistic Research Laboratory, Aberdeen, Md. Note in the hand of Grace Burke Hubble: "EPH Huntington Library Collection". The image's label reads: "Flexible nozzle supersonic wind tunnel, Ballistics Research Laboratory, Aberdeen Proving Ground, MD." In the lower left-hand corner is a label that reads: "Prepared by Pictorial Branch, The Ordnance School, A.P.G., MD." Below this label is written "A28464".

  mssHUB 1044 (17)

• 

  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)