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- Quadrants (Astronomical instruments)
Quadrants (Astronomical instruments) (Topical Term)
Used for/see from:
- Earlier heading: Quadrant
- Açıölçerler (Astronomi aletleri)
See also:
- Broader heading: Astronomical instruments
- Broader heading: Nautical instruments
Mitlon, J. Cambridge dict. of astron. (quadrant: an instrument for measuring the altitudes of stars and the angular separation between celestial objects consisting of a graduated quarter-circle and a movable sighting arm. Prior to the invention of the telescope, such instruments were the only ones available to astronomers for positional measurements)
TR-AnTOB Op 09.09.2024
