CrosswordMint
Forgotten Devices and Their Secrets
Moderate difficulty suitable for most players
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Across
  • 1. Ancient steam-powered spinning device demonstrating early principles of reaction propulsion.
  • 2. Predecessor to the phonograph that recorded sound waves visually.
  • 4. An early device used to record and reproduce speech, rivaling the phonograph.
  • 6. A Victorian-era clever device designed to secretly lock away liquor bottles.
Down
  • 3. A mechanical device once used to encode and decode secret messages.
  • 5. Ancient Greek mechanical device considered the first analog computer.

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