Exterior view of the engine test building at 54 School of Military Aeronautics, University of California, Berkeley, California. This photograph was taken in July 1918 and received from the Director of Military Aeronautics. It is for official use only.

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Size: 8541px × 5711px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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