Maritime Instrument Fully Functional Nautical Sextant in the Gift Box
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Quintant Sextant or Lattice Sextant | U.S. Geological Survey
SEXTANT
Mirror sextant. A doubly reflecting navigation instrument used to measure the angle between any two visible objects. Primary use of a sextant is to determine the angle between an astronomical object and
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Sextant – Principle, Types, and Uses - The Constructor
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