Perfect for beginners with simple, common vocabulary
Timeless Signals: Forgotten Communication Devices
Moderate difficulty suitable for most players
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Across
- 1. Simple ancient tool used for signaling over distances
- 2. Invented to record sound, once useful for sending messages
- 4. Device that sent typed messages over long distances
Down
- 3. Bird used historically to carry secret messages
- 5. Machine to send scanned documents over telephone lines
- 6. Message sent electrically with Morse code before emails
- 7. Early office device used to encode data via holes
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