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Celestial and Coastal Navigation Artifacts is a hard crossword puzzle with 15 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Celestial and Coastal Navigation Artifacts
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Instrument for measuring angles of celestial bodies at sea.
  • 3. Hand-drawn record mapping coastlines and perilous waters.
  • 4. Sight rule for aligning remote objects on ancient surveying tools.
  • 6. Ancient analog computer for stellar positioning and time.
  • 8. Greek term for early sounding line used in depth measurement.
  • 10. Distinctive star patterns to steer away from coastal shadows.
  • 12. Device observing stars at night for maritime positioning.
Down
  • 2. Weighted line to measure sea depth, origin in Norse languages.
  • 5. Unit doubled up in lines to verify ocean floor depth.
  • 7. Precision timekeeper whose tick solved longitude’s toughest glare.
  • 9. Instrument measuring altitude with one quarter circle arc.
  • 11. Magnetized mineral guiding sailors long before the compass needle.
  • 13. Sailing tactic using stars as reference in open ocean paths.
  • 14. Arc-based tool slicing the horizon to gauge angles precisely.
  • 15. Handheld compass variant evolved from the dry card model.
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