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Curious Clocks and Curious Hours
Explore a crossword featuring rare and unusual timekeeping devices from history and innovation.
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Across
  • 1. Hypothetical device for animal rhythm timekeeping
  • 2. Device using shadow to indicate time of day
  • 3. Timekeeping by the length of burning incense smoke
  • 4. Instrument for telling time by night stars
  • 6. Burning candle marked to measure elapsed time
  • 8. Celestial instrument used for tracking time and stars
  • 13. Ancient water clock measuring time flow
Down
  • 5. Burning aromatic used as an ancient timer
  • 7. Type of clock tracking celestial events and time
  • 9. Old mechanical sound marking seconds and minutes
  • 10. Sand-based timer for measuring short intervals
  • 11. Type of clock that measures unequal hours
  • 12. Device to measure time by ocean tide cycles
  • 14. Instrument used for time from observing natural signs

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