Risālah sī faṣl رساله سي فصل Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad طوسي، نصير الدين محمد بن محمد

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The record is made up of Ff. 56v-77r. It was created in 25 Dhū al-Ḥijjah 1055. It was written in Persian. The original is part of the British Library: Oriental Manuscripts.

About this record


Treatise on practical astronomy (تقويم) divided into thirty sections (سي فصل) composed in 658/1260 (see Amīn, Mustadrakāt a‘yān al-shī‘ah , p. 233) by Naṣīr al-Dīn al-Ṭūsī (نصير الدين الطوسي, d. 1274). The full title of the work is Sī faṣl dar ma‘rifat-i taqvīm (سي فصل در معرفت تقويم).

The text contains thirteen complete diagrams and tables (ff. 58v, 60r, 61r, 63r, 63v, 64r, 68r, 69r, 69v, 70r, 71v, 72r, and 72v), with an unfilled space for a further diagram (f. 68v), and a table into which no data has been entered (f. 70v).

The copy was completed on 25 Dhū al-Ḥijjah 1055/11 February 1646 (see colophon Section at the end of a manuscript text. , f. 77r, lines 18-19, transcribed below).

Begins (f. 56v, lines 10-12):

الحمد لله رب العالمين والصلوة والسلم على خير خلقه

محمد وآله أجمعين وبعد اين مختصر يست در معرفت

تقويم مشتمل بر سي فصل ...

Ends (f. 77r, lines 13-17):

... اما در بيع منصرف از سعدي

ودر شرى بايد كه متصل بسعدي بود وبرين قاس وما

درين مختصر بد ينقدر اختيار كنيم پس

اکر کسى زياده ازين خواهد بحوع به

كتب مبسوطه اين علم كند والله


Colophon Section at the end of a manuscript text. (f. 77r, lines 18-19):

... تمام شد بتاريخ 25

ذي الحجة سنة 1055

Extent and format
Ff. 56v-77r
Written in
Persian in Arabic script
Manuscript item

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British Library: Oriental Manuscripts
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Archive reference
Add MS 23569, ff 56v-77r

History of this record

25 Dhū al-Ḥijjah 1055 (AH, Hijri qamari)

Related material

Select Bibliography


Amīn, Ḥasan, Mustadrakāt a‘yān al-shī‘ah , vol. 1, (Bayrūt: Dār al-Taʻāruf, 1987) p. 233

Ragep, F. Jamil, 'Ṭūsī: Abū Jaʿfar Muḥammad ibn Muḥammad ibn al-Ḥasan Naṣīr al-Dīn al-Ṭūsī', in The Biographical Encyclopedia of Astronomers , Thomas Hockey et al., eds., (New York: Springer, 2007) pp. 1153-55

Rosenfeld, B. A. and Ekmeleddin Ihsanoğlu, Mathematicians, Astronomers, and Other Scholars of Islamic Civilization and Their Works (7th–19th c.) , (Istanbul: IRCICA, 2003) pp. 211–219

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Risālah sī faṣl رساله سي فصل Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad طوسي، نصير الدين محمد بن محمد, British Library: Oriental Manuscripts, Add MS 23569, ff 56v-77r, in Qatar Digital Library <https://www.qdl.qa/archive/81055/vdc_100025652531.0x000003> [accessed 15 October 2019]

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