American soldier wearing a gas mask for protection, while using an American Telephone Gas Mask transmitter at the Research and Inspection Bureau in Paris, France. The photograph was taken on December 13, 1918, and was not intended for publication, but for official use only.

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Size: 8445px × 5681px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: activities, american, army, bureau, communication, development, equipment, facility, france, gallivan, gas, gear, historical, inspection, mask, military, network, paris, photographs, research, seine, sergeant, sgt., soldier, sullivan, technology, telecommunications, telephone, transmitter, usage, war, wartime, world