The image shows an amplifier 3 ter drawing created by the 2nd Corps Signal School in Chatillon Sur Seine, Cote d'Or, France during World War I. It was taken by Sgt. Bernard Levey of the (Signal Corps). The drawing is marked "FOR OFFICIAL USE ONLY" and was received on 11-12-18.

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Size: 8623px × 5826px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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