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Related articles:
Horizon
Navigation
Celestial navigation
Vernier scale
Measuring instrument
Longitude
Key terms: sextant horizon view arc error mirror sight index instrument navigation measure stars octant adjust frame reflecting observe bent zero haze quadrant nautical circle minute occurs angle celestial object index arm accuracy passes side error field of view relative altitude parallel aluminium monocular astronomical index mirror precision most sextants grand turk index error sextants use mirror until celestial navigation artificial horizon davis quadrant when the index when the horizon Search external links cited by footnotes on Wikipedia page Sextant: |
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