A soldier stands guard next to Wedge Furnace No. 1 at the Development Division of the Chemical Warfare Service in Cleveland, Ohio. The photograph was taken on February 6, 1919, and is marked with the identification number sc 55656. The furnace was used for chemical defense research and development during World War I. Drawn by Private Charles Garthwait.

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Size: 8448px × 5756px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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