Map depicting the long distance telephone and telegraph lines and cables in Coblenz, Germany. Shot in May 1919 by the Signal Corps, it shows the routes connecting various communication networks for the Office of the Chief Signal Officer of the 3rd Army. The map is marked with relevant notes and symbols.

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

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