CrosswordMint
Lost Marvels of Inventive Genius
Explore a crossword puzzle that highlights intriguing forgotten inventions and the brilliant minds behind them.
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Across
  • 1. Early air cooling invention before air conditioning
  • 2. Forgotten optical lantern used for projection
  • 5. Device once used to detect brain waves
  • 7. Hand mill used before industrial grinders
  • 8. Study enabling ancient air-driven machines
  • 12. Obsolete irrigation technique using water wheels
  • 15. Ancient device for copying images
  • 16. Ancient Persian vertical windmill
Down
  • 3. Ancient double-deck warship with forgotten engineering
  • 4. Human-powered machine for lifting heavy loads
  • 6. Natural latex once used for electrical insulation
  • 9. Early attempts of a motorized cycling device
  • 10. Device for viewing motion in stop frames, once lost in history
  • 11. Machine used in old rubber manufacturing
  • 13. Early steam engine prototype by Hero
  • 14. Artisan who crafted leather shoes and often crafted mechanisms
  • 17. Old method involving machines for separating grain

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