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Historical Timeline of Antique Nautical Instruments Crossword Puzzle for High School is a hard crossword puzzle with 18 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Historical Timeline of Antique Nautical Instruments Crossword Puzzle for High School
Challenge your knowledge with this hard crossword focusing on the historical development and key antique nautical instruments. Ideal for high school students studying maritime history and navigation.
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Across
  • 1. Highly accurate maritime timekeeper crucial for determining longitude
  • 2. Diagram on maps showing cardinal directions historically linked to compass use
  • 3. 90-degree arc measuring device used before the sextant
  • 8. Optical instrument eventually adapted for naval observation and navigation
  • 11. Navigator’s record of speed, course, and sea conditions during voyages
  • 12. Instrument enabling sailors to measure solar altitude without looking directly at the sun
  • 14. Early depth sounding tool using weighted rope
Down
  • 4. Part of a sundial casting a shadow to indicate time
  • 5. Device measuring time using sun shadow, precursor to nautical chronometers
  • 6. Manual tool for recording course changes and speed on sailing ships
  • 7. 16th-century device for measuring angles between celestial bodies
  • 9. Predecessor of the sextant measuring up to 45 degrees of arc
  • 10. Magnetic instrument essential for directional navigation
  • 13. Ancient device used by sailors to measure the altitude of stars
  • 15. Term for sailor who utilized antique navigational instruments
  • 16. Rail around a ship’s stern, near where some navigational instruments were mounted
  • 17. Port city historically important in maritime navigation and instrument trade
  • 18. Angular measuring instrument key to celestial navigation since the 18th century
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