Soldiers participating in gas warfare drills during World War One. The photograph shows them practicing the dispersal of gas in trenches using the "out of step" method, as well as an alternative method. They are also depicted working around the corner of a traverse and clearing a small unprotected dugout. #1660 Photograph taken by Reco Desorption.

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

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