Digital improved reproduction, A telegraph key is a switching device used primarily to send Morse code, from an original print from the 19th century

---

Size: 3792px × 2209px
Location: world
Photo credit: © Sunny Celeste / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 19th, 489659, aged, archive, art, artpiece, artpieces, black, black--white, century, code, communication, device, drawing, drawings, historic, historical, historically, historisch, history, illustration, illustrations, industrial, industry, key, message, morse, primarily, production, repro, reproduction, send, sketch, switching, telegraph, telegraphy, time, vintage, white, wood-cut, woodcut, woodcuts