A Chlorine Intermittent Canister Testing Machine is being captured in this photograph. The photo was taken by a Chemical Warfare Service Photographer on April 2, 1919, and has a description number of Surect: 55178. The machine was used to test canisters containing chlorine gas and the photograph was featured in notes issued in 1941.

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Size: 8527px × 5741px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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