Explore a crossword featuring forgotten communication methods that once connected civilizations across distances and time.
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Vintage Signals and Silent Codes
Explore hidden ways people communicated before modern technology in this crossword featuring forgotten methods and devices.
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Across
- 1. Visual signaling using flags or arms
- 2. Light used to send navigational or warning signals
- 4. Bright signal fire or light used in emergencies
- 5. Early electric system sending coded signals
- 7. Type of pigeon trained to return home
- 10. Signal sent by patterns of fire output
- 12. Descriptor for animals or people carrying messages
- 13. Bird used to carry messages over distances
Down
- 3. Instrument used for long-distance rhythmic signals
- 6. Device that signals by reflecting sunlight
- 8. Old term for a type of mechanical signal, or buzzing sound for communication
- 9. Dot and dash code for telegraphic communication
- 11. Prisoner’s method for communicating by tapping
- 14. Early method of recording and sending messages
- 15. Secret code used to encrypt messages
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