"Chemical Warfare Chart - SUMICE 2074. This photograph, taken in 1919 by an unidentified photographer, shows a syrol chemical warfare chart used during World War I. The chart measures 360mm in length and 425mm in width. Negative not available."

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

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