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Reference (shelfmark):: Or 2411/2
Title:: Quadrant ربع
Scope & Content:: Quadrant (رُبْع), comprising an astrolabe quadrant (ربع المُقَنْطَرَات, Side A), and a sine quadrant (ربع المُجَيَّب, Side B). The quadrant is signed by its maker, Aḥmad ibn Ibrāhīm al-Sharbatlī (أحمد ابن إبراهيم الشربتلي, Side A), and dated 1256/1840-1 (Side B).
Collection Area:: Oriental Manuscripts
Languages:: Arabic
Date Range:: 1256
Extent:: Instrument

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