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Forgotten Devices and Obsolete Engineering Marvels is a hard crossword puzzle with 19 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Forgotten Devices and Obsolete Engineering Marvels
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Eadweard Muybridge’s forgotten animation projector of motion studies
  • 2. Ancient pneumatic signaling device using air pressure pulses
  • 3. Airbrush-like tool for intricate technical drawing now obsolete
  • 4. Roman artifact hypothesized as a complex measuring instrument
  • 12. Pioneering electroacoustic apparatus now eclipsed by digital counterparts
  • 13. Lost optical gadget projecting images from luminous materials
  • 16. 19th-century predecessor to film shown with rapid frame succession
  • 17. Early spinning animation device synced with sound
Down
  • 5. 19th-century gadget transmitting handwriting over wires
  • 6. Alleged sound amplification tool believed too fragile for mass use
  • 7. Fire-driven musical instrument once enchanting Victorian salons
  • 8. Medieval siege contraption for hurling heavy projectiles
  • 9. Tesla’s abandoned device transmitting voice via modulated light
  • 10. Pre-tape recorder magnetic sound device, precursor to audiotape
  • 11. Early transparent telegraph casing, precursor to fiber optics
  • 14. Ancient military gear gadget enhancing cavalry protection
  • 15. Obscure acoustic communication device named for an Italian inventor
  • 18. Mechanical voice modulator attempting to emulate human speech
  • 19. Lost medicinal inhaler claimed to cure respiratory ailments
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