CrosswordMint
Lost Marvels of Forgotten Innovation
A crossword exploring obscure and forgotten inventions that shaped history but faded from memory.
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Across
  • 1. Early fire extinguishing machine using water spray
  • 2. Pseudoscience studying skull shapes to determine personality
  • 3. Architectural invention for high windows allowing light in
  • 4. Ancient Greek mechanical computing device for astronomy
  • 6. Early insulating material now rarely used
  • 10. Predecessor to the sextant used in navigation
Down
  • 5. Early fax machine transmitting handwriting via telegraph
  • 7. Musical instrument that uses flames to produce sound
  • 8. Early device to amplify the human voice for broadcasts
  • 9. Ancient steam-powered device considered an early engine

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