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Timeless Relics of Communication
Explore the forgotten methods that once connected the world in this crossword featuring obsolete communication tools and techniques.
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Across
  • 1. Visual signaling system using flags or lights
  • 3. Code used with telegraph systems, combining dots and dashes
  • 4. Light source used to send signals over distances at night
  • 5. Early device that recorded and played back sound, now outdated
  • 8. Early communication tool transmitting messages through rhythmic beats
  • 11. Machine that transmitted typed messages over wires
  • 13. General term for a form of communication conveying information
  • 14. Adjective describing pigeons trained to return home
Down
  • 2. Machine that scanned and sent documents over telephone lines
  • 6. Animal used in express mail delivery before modern transport
  • 7. Device using mirrors to send messages via flashes of sunlight
  • 9. Method of communication using symbols on paper or surfaces
  • 10. Early system sending messages over wires using Morse code
  • 12. Type of pigeon used to transport messages
  • 15. Bird used historically to carry written messages

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