A crossword exploring rare and lesser-known instruments used throughout history for unique communication.
Ancient and Obscure Communication Devices
A crossword exploring rare and unusual instruments used throughout history for communication.
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Across
- 1. Beating pattern used for communication over distances
- 2. Uncommon term sometimes linked with messenger devices (trick clue)
- 3. Sound instrument used in remote or natural settings
- 8. A system to encrypt messages
- 9. Characteristic used in messenger pigeons and devices
- 12. System involving compressed air tubes for message delivery
- 15. Ancient sound signaling instrument
- 17. Rare conveyance method for messages via air
Down
- 4. Signal method using visible puffs for communication
- 5. Beaded belts used by Native Americans for communication
- 6. Incan knotted cords used for recording messages
- 7. Ancient alphabet often used for carved messages
- 10. Rare long-distance communication by water
- 11. Device using sunlight reflections for signaling
- 13. Visual signaling system using flags or lights
- 14. Early electric communication device transmitting coded signals
- 16. Book used to encode or decode messages
- 18. Instrument used by some cultures to send long-distance coded sounds
- 19. Bird used historically as a message carrier
- 20. Hidden passage sometimes used for secret message transport
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