Main switchboard in operating room, battery cabinet, and relay racks at the Army Building in New York City. This photograph was taken on February 13, 1919, by CPL. Steiniger, It is part of the Photographs of American Military Activities during World War I collection.

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Size: 8525px × 5832px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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