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NAUTICAL BRASS SEXTANT
Brass sextant with a sheesham wood box elegantly decorated with brass inlays.
€89.95
Tax included
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.
MAR332002
12.00 cm
12.00 cm
8.00 cm
0.65 Kg
Specific References
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