Download PDF (176 MB)

Search within this record

The record is made up of Ff. 122r-123v. It was created in 16th century. It was written in Arabic. The original is part of the British Library: Oriental Manuscripts.

About this record


Treatise on the construction of regular heptagon by Abū ‘Alī al-Ḥasan ibn al-Ḥasan ibn al-Haytham (أبو علي الحسن بن الحسن بن الحسن بن الهيثم; d. ca 1040).

Begins (f. 122r, line 3):

إن أرشميدس بنى ضلع المسبع على المربع الذي قدمه ...

Extent and format
Ff. 122r-123v
Written in
Arabic in Arabic script
Manuscript item

Archive information for this record

Access & Reference

Original held at
British Library: Oriental Manuscripts
Access conditions


Archive reference
IO Islamic 1270, ff 122r-123v

History of this record

16th century (CE, Gregorian)

Related material

Select Bibliography


  • Schoy, Carl, Die trigonometrischen Lehren des persischen Astronomen Abu'l-Raihân Muh. Ibn Ahmad al-Bîrûnî dargestellt nach al-Qânûn al-Masʻûdî (Hanover: Orient-Buchhandlung Heinz Lafaire K.-G., 1927), pp. 84-91


  • Sezgin, Fuat, Geschichte des arabischen Schrifttums , vol. 5 (Leiden: Brill, 1974), p. 358-74

Use and share this record

Share this record
Cite this record in your research

Faṣl fī muqaddimat ḍil‘ al-musabba‘ فصل في مقدمة ضلع المسبع Alhazen ابن الهيثم, British Library: Oriental Manuscripts, IO Islamic 1270, ff 122r-123v, in Qatar Digital Library <> [accessed 20 February 2020]

Link to this record
IIIF details

This record has a IIIF manifest available as follows. If you have a compatible viewer you can drag the icon to load it. in Universal viewerOpen in Mirador viewerMore options for embedding images