A photograph taken on April 27, 1919, in the Multiplex Telegraph Room of the Signal Corps School of Radio and Multiplex Telegraphy in New York. The image shows equipment and operators working in the room. It is labeled with the subject number 58902 and is marked for official use only. Photographer: Reed.

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Size: 8596px × 5874px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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