An early type of Navy mask with a mouthpiece, nose clips, and an attached canister. This particular mask was used during World War One by the Chemical Warfare Service. The photo was received on April 2, 1919, and is marked with the subject number 56730.

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Size: 8494px × 5824px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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