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

Content

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

اعلم

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

It is part of

Five treatises on astronomy and mathematics in Persian and Arabic

296 images

Ref: Add MS 23569

Written in

Persian in Arabic script

Type

Manuscript item

Access & Reference

Original held at

British Library: Oriental Manuscripts

Access conditions

Unrestricted

Archive reference

Add MS 23569, ff 56v-77r

History of this record

Date(s)

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

Related material

Select Bibliography

Studies:

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

Subjects

Astronomy--Early works to 1800

People & organisations

Naṣīr al-Dīn Muḥammad ibn Muḥammad Ṭūsī

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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 2 April 2025]

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