CrosswordMint
Ancient to Esoteric Communication Tools
Explore 13 rare and fascinating instruments used throughout history to convey messages across distances and cultures.
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Across
  • 1. Early acoustic device to amplify the human voice
  • 2. Early electrical communication device transmitting coded signals
  • 3. Ancient Chinese signal drum used for communication
  • 5. A rare early Spanish telegraph system using fire signals
  • 6. Message conveyed through controlled puffs of smoke
  • 10. Visual signaling system with flags or arms
Down
  • 4. Pre-Columbian wind instrument used to send messages
  • 7. Communication by modulated whistle sounds
  • 8. Visual signaling system using different colored flags
  • 9. West African drum replicating speech patterns
  • 11. Message delivery using trained homing birds
  • 12. Beating patterns used to communicate over distances
  • 13. Instrument signaling with sunlight and mirrors

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