Perfect for beginners with simple, common vocabulary
Classic Signals and Codes from History is a easy crossword puzzle with 16 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Classic Signals and Codes from History
Perfect for beginners with simple, common vocabulary
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Across
- 1. Short sharp sound used as a signal
- 2. Bright fire signal used historically
- 3. Short for semaphore, signal with flags
- 7. Short sound used in electronic signals
- 9. Mark or signal counting communications
- 10. Signal with colored cloth in the wind
Down
- 4. Common word used to start a phone call
- 5. System of symbols used to send secret messages
- 6. Old code using dots and dashes
- 8. Early network for sending typed messages
- 11. Sound used to signal or alert someone
- 12. A short burst of energy used in signaling
- 13. A visible gesture used to give information
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