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IO Islamic 461, ff 2v-7v
- Record Id:
- 040-002899874
- Hierarchy Root Ancestor Record Id:
- 032-002878694
- MDARK:
- ark:/81055/vdc_100024503406.0x000001
- LARK:
- SLARK:
- ark:/81055/vdc_100025776458.0x000001
- Format:
- ISAD(G)
- Reference (shelfmark):
- IO Islamic 461, ff 2v-7v
- Title:
-
Anonymous treatise on the linear astrolabe
- Scope & Content:
-
Anonymous treatise on the construction and use of the linear astrolabe (أسطرلاب خطّي), an instrument also known as 'al-Ṭūsī's Rod' (عصا الطوسي), named after its inventor Sharaf al-Dīn al-Muẓaffar ibn Muḥammad al-Ṭūsī (شرف الدين المظفر بن محمد الطوسي; d. 1213).
The Persian table of contents (f. 1r) calls the treatise Risālah-ye dar ‘amal-i asṭurlāb khaṭṭī az khavājah Naṣīr (رساله در عمل اسطرلاب خطي از نصير), mistakenly attributing the text to the later astronomer and mathematician Naṣīr al-Dīn Muḥammad ibn Muḥammad al-Ṭūsī (نصير الدين محمد بن محمد الطوسي; d. 1274).
The comprehensive guide to practical astronomy and astronomical instruments Jāmiʿ al-mabādiʾ wa-al-ghāyāt fī ʿilm al-mīqāt by Sharaf al-Dīn Abū ‘Alī al-Ḥasan ibn ‘Alī ibn ʿUmar al-Marrākushī (fl. second half of the 13th century) devotes two chapters to the linear astrolabe (ed. Carra de Vaux, 'L'astrolabe linéaire ou bâton d'al-Tousi', Journal asiatique [1895]). The treatise preserved in this manuscript is very similar to, but not identical with al-Marrākushī's discussion of this instrument.
A collation note at the end of this text (f. 7v) is dated 14 Shawwāl 1198/31 August 1784
Contents:
Begins (f. 2v, ll. 1-2):
الأوّل في تسمية أجزائها خط الأصل هو المقسوم بمائة وخمسين قسمًا والنقط السود
التي عليها تقوم مقام أجزاء دائرة متعدل النهار ...
Ends (f. 7v, ll. 9-10):
فما كان فانقصه من قوس نهار نظير درجة الشمس فما بقي فهو زمان ما بين طلوع الفجر
وطلوع الشمس
- Collection Area:
- Oriental Manuscripts
- Project / Collection:
- India Office Library
Qatar Foundation Partnership Programme - Hierarchy Record Ids:
- 032-002878694
040-002899874 - Is part of:
- IO Islamic 461 : Seven treatises on mathematics, astronomy and statics
IO Islamic 461, ff 2v-7v : Anonymous treatise on the linear astrolabe - Hierarchy:
- 032-002878694[0001]/040-002899874
- Container:
- View / search within Archive / Collection: IO Islamic 461
- Record Type (Level):
- File
- Extent:
-
Ff. 2v-7v
- Digitised Content:
- https://www.qdl.qa/en/archive/81055/vdc_100025776458.0x000001
- Thumbnail:
-
- Languages:
- Arabic
- Scripts:
- Arabic
- Start Date:
- 1784
- End Date:
- 1784
- Date Range:
- 1198
- Calendar:
- Hijri qamari
- Era:
- AH
- Access:
-
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- User Conditions:
- Publications:
-
Studies:
- van Brummelen, Glen, 'Sharaf al-Dīn al-Ṭūsī' in The Biographical Encyclopedia of Astronomers, Thomas Hockey et al., eds., (New York: Springer, 2007), p. 1051.
- Carra de Vaux, R., 'L'astrolabe linéaire ou bâton d'al-Tousi', Journal asiatique, 9th ser., 5 (1895), pp. 464–516.
- Charette, François, 'Marrākushī: Sharaf al-Dīn Abū ʿAlī al-Ḥasan ibn ʿAlī ibn ʿUmar al-Marrākushī', in The Biographical Encyclopedia of Astronomers, Thomas Hockey et al., eds., (New York: Springer, 2007), pp. 739-40.
- Michel, Henri, 'L'astrolabe linéaire d'al-Tusi', Ciel et terre, 59 (1943), pp. 101–107.
- Michel, Henri, Traité de l'astrolabe (Paris: Gauthier-Villars, 1947), pp. 21-2 and 115-22
- 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.
- Material Type:
- Archives and Manuscripts
- Legal Status:
- Not Public Record(s)