Perfect for beginners with simple, common vocabulary
Vanished Signals: Legacy Communication Codes is a easy crossword puzzle with 14 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Vanished Signals: Legacy Communication Codes
Explore the historic and obsolete communication codes that shaped early messaging and telegraphy.
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Across
- 1. NOT obsolete, to confirm awareness in clue crafting
- 2. Sunlight-based signaling device using mirrors
- 4. Mechanical cipher device used for encryption
- 7. Flag signaling method used at a distance
- 10. Fast writing technique for note taking and dictation
Down
- 3. Network for sending typed messages before email
- 5. Visual gesture-based method for transmitting messages
- 6. Code using dots and dashes invented by Samuel
- 8. Early electrical communication system using coded signals
- 9. Messenger god’s name often used for courier codes
- 11. Early data storage method with holes representing info
- 12. Type of telephone dialing now replaced by touch tone
- 13. Nautical signaling with flags raised on a pole
- 14. Acoustic signaling device often used in railways
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