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Secrets of Ancient Signal Codes is a easy crossword puzzle with 11 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Secrets of Ancient Signal Codes
Perfect for beginners with simple, common vocabulary
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Across
  • 1. Ancient letters used by Norse people
  • 2. Bird used to carry messages long ago
  • 4. Signal type made by fire and air
  • 5. Instrument used for sending beats as messages
  • 8. Material used for making ancient tablets
Down
  • 3. A symbol that represents an idea or message
  • 6. Code using dots and dashes
  • 7. A secret way to write messages
  • 9. Colorful cloth waved to send signals
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