Telegraph switchboard. The telegraph switchboard of the Pennsylvania Railroad, Chicago Union Station, USA, photographed in January 1943.

---

Size: 4163px × 4383px
Photo credit: © LIBRARY OF CONGRESS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1900s, 1943, 20th, adult, america, american, black--white, caucasian, century, communication, communications, connecting, delano, equipment, exchange, historical, history, human, jack, leads, machine, male, man, monochrome, operating, operator, people, person, plugs, switchboard, switches, technological, technology, telecommunication, telecommunications, telegraph, telegraphy, telephone, telephonist, usa, wireless, wires, working