Photograph of a Signal Corps apparatus featuring multiplex machines, numbered 64,491. This equipment is integral to the communication systems used during World War One. Additional information available is the photograph's RECO (record control) description, which indicates its symbol as a Signal Corps apparatus. The photograph's identification number is 064421.

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Size: 8448px × 5739px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: activities, american, appar, apparatus, army, communication, corps, device, devices, equipment, historical, machinery, machines, military, multiplex, multiplexing, photographs, representation, sending, signal, signals, soldiers, symbol, symbolic, system, technology, telegraph, tools, visual, war, world, wwi, wwii