This image depicts a telephone switchboard, specifically the SUNCE 62,450 model, used by the Signal Corps during World War I. The photograph was taken by a Signal Corps photographer and is an official documentation of military activities. This apparatus played a crucial role in military communication during the war.

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Size: 8523px × 5763px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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