A Telegraph field duplex set, operated by the Signal Corps, seen in Tours, Indre et Loire, France. This photo was taken on February 23, 1919, and is numbered 51592.

---

Size: 8451px × 5771px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1, 1919, 20th, 51592, activities, american, archives, army, battlefield, black, camp, century, communication, corps, duplex, early, effort, engineering, equipment, expeditionary, field, forces, france, historic, historical, history, image, indre, logistics, loire, military, movements, operations, personnel, photograph, photographs, photography, set, signal, soldiers, technology, telecommunications, telegraph, tours, training, trenches, troop, war, wartime, white, wire, world