Record Holders in Obsolete Codes Crossword for Kids
Size: 10Difficulty: easy
Easy crossword puzzle about record holders and extremes in old communication codes. Perfect for elementary students learning fun facts about historic codes.
Vintage Signals and Forgotten 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 Forgotten Codes
A crossword exploring historical and obsolete communication codes once used to transmit secret messages and early transmissions.
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Across
- 1. Visual signaling with flags or lights for communication
- 2. Code using two symbols, often used in basic digital signals
- 3. Type of pigeon known for returning home with messages
- 4. Early system transmitting messages via electric pulses
- 7. Code using spoken alphabet to clarify letters
- 8. Chiming code system used for silent signaling
- 11. Early telegraph cross-checking code or signal
- 13. Bird historically used to carry messages
Down
- 5. Code using dots and dashes for telegraphy
- 6. Device flashing sunlight to send coded signals
- 9. Person delivering messages before electronic communication
- 10. Primitive rotating signal device for coded messages
- 12. Ship signaling using the arrangement of flags
- 14. Sound-based signaling device used in early communication
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