Brass sextant with a sheesham wood box elegantly decorated with brass inlays.

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The sextant was designed for sea navigation. It allows you to calculate the angular height of the sun over the horizon. It was invented in the 1730s by two people: John Hadley (1682-1744), English mathematician, and Thomas Godfrey (1704-1749), an American inventor. He quickly replaced the astrolabe and octant as the main instrument for navigation. The sextant consists of a small telescope, to look at the horizon, two mirrors (which reflect the image of the object), filters (for the sun), a movable arm and a graduated circle arc. The opening angle is 60º, one sixth of a circle, hence the name of the instrument.

Brass sextant with a sheesham wood box elegantly decorated with brass inlays.

12.00 cm
12.00 cm
8.00 cm
0.65 Kg

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