Russian soldiers demonstrating different types of gas masks during World War One.

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Size: 9178px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1-18-18, 1-25-18, activities, american, corps, description, gas, ma, masks, military, note, nunder, photographer, photographs, red, russian, sc-2520, signal, symbol, takes, types, war, world