Cryptic Relics of Pre-Internet Communication
Size: 18Difficulty: hard
Challenging puzzle for experienced crossword solvers
Retro Messaging And Signal Systems is a easy crossword puzzle with 9 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Retro Messaging And Signal Systems
A crossword puzzle exploring old-fashioned communication techniques used before the digital age.
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Across
- 1. Code of dots and dashes used in early telecommunication
- 2. Visual signaling system using flags or lights
- 3. Machine that transmits scanned documents via telephone lines
- 5. Device that transmits voice communications over wires
- 7. Person who physically transported messages on horseback or foot
- 8. Network system for sending typed messages electronically
Down
- 4. Device that sent coded messages using electrical signals
- 6. Written message sent through postal service without envelope
- 9. Birds historically used to carry messages over distances
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