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Archive Reference (shelfmark) IO Islamic 461 Name Qūhī, Wayjan ibn Rustam, mathematician and astronomer, d ca 1000 Level [40] File

1. IO Islamic 461, ff 182v-189r

Reference (shelfmark):
IO Islamic 461, ff 182v-189r
Title:
Risālah fī ʿamal ḍilʿ al-musabba‘ al-mutasāwī al-aḍlā‘ fī al-dā‘irah رسالة في عمل ضلع المسبع المتساوي الأضلاع في الدائرة Kūhī, Wayjan ibn Rustum كوهي، ويجن بن رستم
Scope & Content:
Treatise on the construction of an equilateral heptagon within a circle by Abū Sahl Wayjan ibn Rustam al-Kūhī (أبو سهل ويجن بن رستم الكوهي also spelled al-Qūhī [القوهي]; fl. second half of the 10th century). The text contains seven diagrams, which are collected on a fold out (f. 188r) at the en...
Collection Area:
Oriental Manuscripts
Languages:
Arabic
Date Range:
1198
Extent:

Ff. 182v-189r

2. IO Islamic 461, ff 189v-191r

Reference (shelfmark):
IO Islamic 461, ff 189v-191r
Title:
Ṭarīq fī istikhrāj khaṭṭayn bayna khaṭṭayn wa-tatawālá ‘alá nisbah طريق في استخراج خطّين بين خطّين وتتوالى على نسبة Kūhī, Wayjan ibn Rustum كوهي، ويجن بن رستم
Scope & Content:
Short geometrical treatise by Abū Sahl Wayjan ibn Rustam al-Kūhī (أبو سهل ويجن بن رستم الكوهي also spelled al-Qūhī [القوهي]; fl. second half of the 10th century). The text contains one diagram, which is presented on a fold out (f. 190r). Contents: Begins (f. 189v, lines 2-): نجعل الخطين ا ب...
Collection Area:
Oriental Manuscripts
Languages:
Arabic
Date Range:
1198
Extent:

Ff. 189v-191r

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