"Photograph taken on January 31, 1919, at the Rock Island Arsenal in Illinois. The image shows a telephone installation with batteries in a room alongside an automatic rock. The view is facing north. This is photograph number 43032 from the Central Department, Signal Corps."

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Size: 8565px × 5721px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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