CrosswordMint
Vintage Signals: Past Communication Devices
Explore classic and forgotten communication tools from history in this challenging crossword.
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Across
  • 1. Device for transmitting voice electronically
  • 3. System using flags to send visual signals
  • 5. Code used for telegraph messages
  • 6. Mechanical device for writing characters
  • 7. Device that uses sunlight reflections to send signals
  • 8. Early device sending coded electrical signals
  • 11. Container for physical letters and messages
  • 13. Network for sending typed messages
  • 17. Wood historically used for carved communication tablets
  • 18. Instrument used for long-distance sound signals
Down
  • 2. Bird once used to carry messages
  • 4. Instrument used to call attention or signal
  • 9. Horseback mail delivery service
  • 10. Handheld radios used before cell phones
  • 12. Informal term for passing secret messages orally
  • 14. Message sent by radio waves
  • 15. Magnetic medium used for recording voice
  • 16. Early data input medium with holes
  • 19. Machine that transmits scanned documents

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