Manuscripts
Shadow photograph of air shock waves off a 37 mm shell, at the U.S. Army Ballistic Laboratory
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Eight-inch blassistic shell 150 feet beyond muzzle, U.S. Army Ballistic Laboratory
Manuscripts
Eight inch shell about 150 feet beyond muzzle, just after being fired, Ballistics Research Laboratory. Note in the hand of Edwin Powell Hubble: "8-inch shell about 150 ft beyond muzzle, velocity about 2300 ft/sec. Microflash exp. @ 1/1,000,000 second." Note in the hand of Grace (Burke) Hubble: "EPH Huntington Library"
mssHUB 1044 (18)
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)
Resistance testing of a missile, U.S. Army Ballistic Laboratory
Manuscripts
Resistance testing of a missile, U.S. Army Ballistic Laboratory. Note in the hand of Grace Burke Hubble: "EPH, Huntington Library Collection."
mssHUB 1044 (6)
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)
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)
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)