Manuscripts
Measuring instruments at the U.S. Ballistic Laboratory, Aberdeen Proving Ground
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Machinery, or measuring instruments, inside a room at the U.S. Army Ballistic Laboratory
Manuscripts
Machinery, or measuring instruments, inside 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 (8)

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)

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)

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)

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)

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)