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Vintage Signals and Forgotten Devices is a medium crossword puzzle with 15 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 Devices
Moderate difficulty suitable for most players
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Across
  • 1. Wireless device transmitting audio signals over distances
  • 3. Device combining a typewriter with telegraphy for remote text
  • 4. Portable signaling device popular before widespread cellphones
  • 7. Device that converts sound into electrical signals for communication
  • 8. Message sent in concise form through telegraph lines
  • 13. Type of microphone element used in early telephones
Down
  • 2. Acronym for early artificial satellites used in communication
  • 5. Famous inventor associated with the first practical phone
  • 6. Transmission of scanned printed material by telephone lines
  • 9. Device that modulates and demodulates data signals
  • 10. Name for an early signaling lamp used at sea
  • 11. Early device used to record and play back sound
  • 12. Old style telephone dial requiring finger rotation
  • 14. Handheld radio used for short-range communication
  • 15. Code system using dots and dashes to send messages
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