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Deutsche Sextant Synonyme

sextant  astrolabe  astronavigation  azimuth circle  azimuth compass  bevel  bevel protractor  bevel square  celestial navigation  chronometer  

Englische sextant Synonyme

sextant  astrolabe  astronavigation  azimuth circle  azimuth compass  bevel  bevel protractor  bevel square  celestial navigation  chronometer  clinometer  coastwise navigation  consolan  crescent  dead reckoning  fix  goniometer  graphometer  half circle  hemicycle  line of position  loran  pantometer  pilotage  plane sailing  point-to-point navigation  protractor  quadrant  radar  radio beacon  radio navigation  radiogoniometer  sector  semicircle  shoran  sofar  sonar  tables  theodolite  transit  transit circle  transit instrument  transit theodolite  

sextant Definition

Sextant
(n.) The sixth part of a circle.
Sextant
(n.) An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant.
Sextant
(n.) The constellation Sextans.

sextant Bedeutung

sextant a measuring instrument for measuring the angular distance between celestial objects, resembles an octant
sextant a unit of angular distance equal todegrees
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A sextant is a doubly reflecting navigation instrument used to measure the angle between any two visible objects. The principle of the instrument was first implemented around 1730 by John Hadley and Thomas Godfrey but it was also found later in the unpublished writings of Isaac Newton . The history of these and related instruments, and their forerunners, may be found in the article on reflecting instruments.

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