[Kitāb al-asṭurlāb كتاب الأسطرلاب] Kūshyār ibn Labbān كوشيار بن لبان
Scope & Content:
A treatise in four chapters (fuṣūl) on the use and construction of the astrolabe, by Kūshyār ibn Labbān al-Jīlī (كوشيار بن لبان بن باشهري بن الجيلي, fl. 961). The text contains three diagrams (ff. 34r, 23v and 24v) and three tables: Solar declination to north and south (جدول الدرجات في الشمال ...