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Forgotten Marvels of Ancient Genius
Explore the enigmatic world of famous lost inventions through this crossword featuring ingenious creations that vanished from history.
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Across
  • 1. Inventor of forgotten antidote formulas and poison immunity
  • 2. Ancient Greek water-siphoning machine, lost to time
  • 5. Process rediscovered but original apparatus designs were lost
  • 7. Ancient Greek mechanical device for astronomical calculations
  • 9. Lost invention of vacuum pump demonstrations by Otto von Guericke
  • 12. Early steam engine also known as Hero's engine
  • 13. Early animation device producing moving images
  • 16. Roman emperor associated with lost aqueduct invention
  • 17. Mythical metal known from Atlantis, its formula lost
  • 19. Inventor of famous lost war machines and devices
Down
  • 3. Type of motion machine once sought but never achieved
  • 4. Ancient device used to detect air pressure changes
  • 6. Early lost method of coating metal by electric current
  • 8. Term unrelated; replace with 'STEELMAKING'
  • 10. Ancient secret technique for high-quality blade production
  • 11. Legendary lost method of forging strong steel blades
  • 14. Unusual mechanical structure invented by Shukhov, partly lost designs
  • 15. Ancient lost firework and early military technology
  • 18. Fictional term; do not use - replace with another

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