Obsolete Communication Devices Crossword Puzzle for Adults
Size: 20Difficulty: easy
Discover fun facts and trivia about obsolete communication devices in this easy crossword puzzle for adults. Perfect for general knowledge and casual play.
Cryptic Relics of Archaic Transmission is a hard crossword puzzle with 5 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Cryptic Relics of Archaic Transmission
Challenging puzzle for experienced crossword solvers
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Across
- 1. Sunlight’s Morse code reflector used before radio waves
- 4. Semaphore’s distant cousin, encoding pulses through wire
Down
- 2. Early 20th-century intercom device for encrypted verbal exchange
- 3. Victorian voice immortalizer, etching sound on wax
- 5. Visual signaling system waving flags in coded patterns
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