Panorama of the southeast view of the Signal Corps Field Laboratory in Washington, This photograph, taken on March 7, 1919 by Sgt. Gray, shows the laboratory from different angles, including the north, north center, south center, and south views. This image was taken for official use and not intended for publication. Caption notes: 939956.

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Size: 8525px × 5681px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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