CrosswordMint
Chronicles of Arcane Mechanical Devices
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Vintage device capturing sound vibrations on rotating cylinders
  • 2. Device for assessing liquid density by buoyancy
  • 3. Precision timekeeper vital for maritime longitude calculation
  • 5. Type of vintage paper fastener involving folded mechanics (9 letters) [Hint: Not a gadget but related accessory]
  • 7. Apparatus to examine material properties through polarized light
  • 8. Early disk-based sound playback machine, predecessor to record players
  • 10. Self-operating mechanical figure mimicking human or animal behavior
  • 11. Angular measurement device crucial for celestial navigation at sea
  • 12. Instrument that pens continuous atmospheric pressure changes
  • 14. Type of mechanical stress exploited in early clocks and balances
  • 17. Semaphore precursor transmitting coded pulses over wires
Down
  • 4. Ancient analog instrument used for celestial navigation and timekeeping
  • 6. Predecessor to phonograph, visualizing sound waves graphically
  • 9. Mechanical model demonstrating planetary orbits around the sun
  • 13. Precision measuring tool for internal and external dimensions
  • 15. Spinning apparatus maintaining orientation via angular momentum
  • 16. Mechanical tempo-keeper with an adjustable pendulum
  • 18. Ancient device employing shadow to indicate time of day

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