A laboratory at Edgewood Arsenal, Maryland, photographed on November 20, 1918. This laboratory played a role in the Chemical Warfare Service during World War I. It is marked with symbol 188UEDC. Additional notes indicate that the photograph was received on February 19, 1921.

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Size: 8420px × 5727px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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