CrosswordMint
Arcane Mechanisms and Forgotten Devices
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Early dry copying machine, antecedent of modern copiers
  • 2. Obsolete tactile reading tool for the visually impaired
  • 4. 20th-century voice-modulating gadget for disguise
  • 7. Device to measure liquid density, eclipsed by digital tools
  • 13. Bell’s invention transmitting sound via light beams
  • 14. Edison’s emblematic device that engraved sound waves
  • 17. Wind direction apparatus that vanished from meteorology
  • 18. Hero’s steam-driven sphere: considered first engine
Down
  • 3. Typewriter variant for embossed script aiding the blind
  • 5. Pen-tracing barometric pressure recorder, lost art of weather
  • 6. Mirror device transmitting messages via sunlight flashes
  • 8. Ancient Greek analog computer with celestial calculations
  • 9. Faraday’s revolution: converting motion into electric currents
  • 10. Lens apparatus producing kaleidoscopic visions from real scenes
  • 11. Victorian optical toy blending two images with persistence
  • 12. Instrument capturing extremely brief time intervals
  • 15. Mechanical step counter once lost in fitness history
  • 16. Mechanical figures once enchanting courts and museums
  • 19. Electronic instrument played without touch, lost in time
  • 20. Tool tracing mileage mechanically, predecessor to odometers

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