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Celestial Instruments of Ancient Seas is a medium crossword puzzle with 13 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Celestial Instruments of Ancient Seas
Moderate difficulty suitable for most players
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Across
  • 1. Map used by sailors to plot courses on water
  • 3. Weight on a line used to measure water depth
  • 5. Sight device used at the back of astrolabes and quadrants
  • 6. Guidelines indicated by a navigation tool like a compass
  • 7. Ancient device to measure star positions for navigation
  • 8. Ancient term for early compass variant used at sea
  • 10. Instrument using shadows to measure time, aiding navigation
Down
  • 2. Tool with a magnetic needle pointing north
  • 4. Person skilled in the art of sea navigation and use of tools
  • 9. Precision timekeeper crucial for determining longitude
  • 11. Measures angles between celestial objects and horizon
  • 12. Tool for measuring altitude of celestial bodies
  • 13. Record of a ship’s speed, course, and events
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