American soldiers operating a signaling device during World War One. The soldiers in the photo are identified as Seymour A. Woolner, 2nd Lieutenant, The device in use appears to be a symbol motor, which was used for communication purposes during the war.

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Size: 8364px × 5613px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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