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- Sine_quadrant abstract "The sine quadrant (Arabic: Rubul mujayyab, الربع المجيب) was a type of quadrant used by medieval Arabic astronomers. It is also known as a "sinecal quadrant" in the English-speaking world. The instrument could be used to measure celestial angles, to tell time, to find directions, or to determine the apparent positions of any celestial object for any time. The name is derived from the Arabic "rub" meaning a quarter and "mujayyab" meaning marked with sine. It was described, according to King, by Muhammad ibn Mūsā al-Khwārizmī in 9th century Baghdad.".
- Sine_quadrant thumbnail Front_of_Quadrant.JPG?width=300.
- Sine_quadrant wikiPageID "20747100".
- Sine_quadrant wikiPageRevisionID "577323014".
- Sine_quadrant hasPhotoCollection Sine_quadrant.
- Sine_quadrant subject Category:Astronomical_instruments.
- Sine_quadrant subject Category:Islamic_astronomy.
- Sine_quadrant subject Category:Scientific_equipment.
- Sine_quadrant type Artifact100021939.
- Sine_quadrant type AstronomicalInstruments.
- Sine_quadrant type Device103183080.
- Sine_quadrant type Instrument103574816.
- Sine_quadrant type Instrumentality103575240.
- Sine_quadrant type Object100002684.
- Sine_quadrant type PhysicalEntity100001930.
- Sine_quadrant type Whole100003553.
- Sine_quadrant comment "The sine quadrant (Arabic: Rubul mujayyab, الربع المجيب) was a type of quadrant used by medieval Arabic astronomers. It is also known as a "sinecal quadrant" in the English-speaking world. The instrument could be used to measure celestial angles, to tell time, to find directions, or to determine the apparent positions of any celestial object for any time. The name is derived from the Arabic "rub" meaning a quarter and "mujayyab" meaning marked with sine.".
- Sine_quadrant label "Sine quadrant".
- Sine_quadrant sameAs m.057r5q9.
- Sine_quadrant sameAs Q7522373.
- Sine_quadrant sameAs Q7522373.
- Sine_quadrant sameAs Sine_quadrant.
- Sine_quadrant wasDerivedFrom Sine_quadrant?oldid=577323014.
- Sine_quadrant depiction Front_of_Quadrant.JPG.
- Sine_quadrant isPrimaryTopicOf Sine_quadrant.
