Caption: Mobile laboratory at the headquarters of the British 1st Army in Valenciennes, Nord, France during World War I. This photo, taken by Cpl. Earl E. Evans, depicts a mobile laboratory used for military activities. Note: Photo number B, received by the 45217 Subiect 3-2749 RTC'D unit.

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Size: 8501px × 5802px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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