Moderate difficulty suitable for most players
Forgotten Tools of Secret Messaging
Moderate difficulty suitable for most players
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Across
- 1. Early device sending electrical signals over wires
- 2. Wind instrument used traditionally for sound signals
- 4. Visual signaling system using flags or lights
- 7. Abbreviated writing system for fast note-taking
- 8. Secret code used to encrypt messages
- 9. Percussion instruments used by tribes to send messages
- 12. General term for a transmitted message or gesture
- 16. Metal instrument used to send alert sounds
Down
- 3. Code system using dots and dashes
- 5. Bird used historically for carrying messages
- 6. Deck used for symbolic communication and fortune telling
- 10. Solar-powered mirror signaling device
- 11. Sound tool used in jungles for long-distance calls
- 13. Ancient alphabet used for cryptic inscriptions
- 14. Tool used by conductors and signalers to direct attention
- 15. Book used for recording transactions, sometimes as code
- 17. Obscure name for early pulse signaling system
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