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Equatorial ring · Vinony

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EntityQ5384292· pop 6· linked from 249 articles

Equatorial ring

instrument to determine the moment of the equinoxes

Available in 6 languages

中文
العربية
Macedonian
Serbian (Latin)
Slovenian

via Wikidata sitelinks · CC0

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Ancient Greek astronomy Astronomical instruments Obsolete scientific instruments

spring

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calendar system

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What links here249 pages

Śaṅkaranārāyaṇa

Menelaus of Alexandria

Ptolemy's inequality

Abu Ma'shar al-Balkhi

Shams al-Din al-Khafri

Ibn al‐Ha'im al‐Ishbili

Muḥammad ibn Ibrāhīm al-Fazārī

astronomy in medieval Islam

Al-Ḥajjāj ibn Yūsuf ibn Maṭar

Theon of Alexandria

Abu Said Gorgani

Islamic calendar

armillary sphere