CrosswordMint
Celestial Sextants and Astral Compasses
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Obscure term for a device estimating ship’s speed through water
  • 3. Nighttime tool used to find celestial time by stars, not the sun
  • 4. Navigational quadrant instrument that measures altitude via a quarter-circle arc
  • 8. Marine angle measurer named for one-sixth of a circle
  • 10. Magnetic direction finder steering sailors through the unknown
  • 11. Cryptic: Phantom navigators? Refers to fixed reference points in early ocean charts
Down
  • 2. Line with knots cast to measure ship’s speed—ancient nautical tech
  • 5. One who depends on compass and charts for navigation
  • 6. A logarithmic scale ruler aiding trigonometric calculations at sea
  • 7. Ancient analog computer for star positions, key in maritime navigation
  • 9. Mapped or plotted, as ancient mariners did with coastal outlines

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