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The record is made up of Instrument. It was created in 1256. It was written in Arabic. The original is part of the British Library: Oriental Manuscripts.

About this record


Quadrant (رُبْع), comprising an astrolabe Ancient instrument for astronomical observations. quadrant ربع المُقَنْطَرَات), Side A) and a (ربع المُجَيَّب). The quadrant is signed by its maker, Aḥmad ibn Ibrāhīm al-Sharbatlī (أحمد ابن إبراهيم الشربتلي, Side A), and dated 1256/1840-41 (Side B).

Extent and format
Physical characteristics

Material: Wood, lacquered

Depth: 12 mm

Script: Naskh

Maker: Aḥmad ibn Ibrāhīm al-Sharbatlī (أحمد ابن إبراهيم الشربتلي, see Side A)

Ink: Black and red

Written in
Arabic in Arabic script
Archival item

Archive information for this record

Access & Reference

Original held at
British Library: Oriental Manuscripts
Access conditions


Archive reference
Or 2411/2

History of this record

1256 (AH, Hijri qamari)

Related material

Finding aids

Rieu, Charles, Supplement to the Catalogue of the Arabic Manuscripts in the British Museum (London: The British Museum, 1894), Item 766, pp. 524-25

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Quadrant ربع, British Library: Oriental Manuscripts, Or 2411/2, in Qatar Digital Library <> [accessed 17 February 2020]

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