Quadrants (Astronomical instruments)
URI(s)
- http://id.loc.gov/authorities/subjects/sh85109410
- info:lc/authorities/sh85109410
- http://id.loc.gov/authorities/sh85109410#concept
Instance Of
Scheme Membership(s)
Collection Membership(s)
Variants
- Quadrant
Broader Terms
Closely Matching Concepts from Other Schemes
Earlier Established Forms
- Quadrant
Sources
- found: 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)
LC Classification
- QB105
- VK583
Change Notes
- 2003-05-07: new
- 2003-06-17: revised
Alternate Formats
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