Image shows Fieldner examining a new multiple machine for testing canisters with intermittent flow in the Gas Mask Examination of the Chemical Warfare Service's Research Division. This photograph was taken on July 12, 1918, and is associated with Subject 54788 and Description Number Takes Issuet AU CHE AL WARFAR SERVICE; RESE ARCH DIVISION.

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Size: 8486px × 5794px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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