Perfect for beginners with simple, common vocabulary
Vintage Signals and Secret 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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Vintage Signals and Secret Codes
Perfect for beginners with simple, common vocabulary
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Across
- 1. A thin metal thread used to send telegraph signals
- 2. A simple greeting often sent by early operators
- 3. A sound with a single frequency used for signaling
- 5. A loud warning sound used in old communication alerts
- 8. A short beep or mark in Morse code
- 9. A short sound used to get attention or confirm
- 11. A system of symbols used to send messages
- 14. A symbol or action that gives information
Down
- 4. Dots and dashes used in telegraph messages
- 6. A colorful object used to send signals by waving
- 7. A device that sends and receives wireless signals
- 10. A light or signal used to guide ships or aircraft
- 12. A short, light touch to send a signal
- 13. A long beep or mark in Morse code
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