Kitāb al-‘amal bi-l-asṭurlāb كتاب العمل بالأسطرلاب Ibn al-Samḥ, Aṣbagh ibn Muḥammad ابن السمح، أصبغ بن محمد

Content

A treatise on the use of the astrolabe Ancient instrument for astronomical observations. by the Andalusian astronomer and mathematician Abū al-Qāsim Aṣbagh ibn Muḥammad al-Gharnāṭī Ibn al-Samḥ (أبو القاسم أسبغ بن محمد الغرناطي بن السمح, 979-1035). The text is divided into 130 sections (أبواب). A list of the sections and their titles is found on ff. 25v-28v. This copy is defective at the end, and finishes abruptly during section 139 (see ending, f. 55v, lines 17-19, transcribed below).

Begins (f. 25v, lines2- ):

كتاب العمل بالأسطرلاب مما وضعه بن السمح رحمه الله وعرد أبوابه مائة وثلثون بابًا.

الباب الأول .ا. في صفة الأسطرلاب وتسمية أجزائه وتخطيطه ...

Ends (f. 55v, lines 17-19):

... الباب قكط

في معرفة موضع الشمس بدائرة تعمل في ظهر الأسطرلاب وقد عمل في طليل (؟)

سطوب (؟) دابرتين (؟) يكون في الواحدة منها لتمد الشهر وأيامها أعني

Extent and format

Ff. 25v-55v

It is part of

Two treatises on astrolabes

122 images

Ref: Add MS 9602

Written in

Arabic in Arabic script

Type

Manuscript item

Access & Reference

Original held at

British Library: Oriental Manuscripts

Access conditions

Unrestricted

Archive reference

Add MS 9602, ff 25v-55v

History of this record

Date(s)

14th century (CE, Gregorian)

Related material

Select Bibliography

Translation:

• Ibn al-Samḥ, Aṣbagh ibn Muḥammad, El "Kitāb al-ʻamal bi-l-asṭurlāb" (Llibre de l'ús de l'astrolabi) d'Ibn al-Samḥ , Mercè Viladrich i Grau, ed. and trans., (Barcelona: Institut d'Estudis Catalans, 1986)

Study:

• Rius, Mònica, 'Ibn al-Samḥ: Abū al-Qāsim Aṣbagh ibn Muḥammad ibn al-Samḥ al-Gharnāṭī', in The Biographical Encyclopedia of Astronomers , Thomas Hockey et al., eds., (New York: Springer, 2007) p. 568
• Sezgin, Fuat, Geschichte des arabischen Schrifttums , vol. V (Leiden: Brill, 1974). p. 356 and vol. 6 (Leiden: Brill, 1978). p. 249

People & organisations

Aṣbagh ibn Muḥammad Ibn al-Samḥ

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Kitāb al-‘amal bi-l-asṭurlāb كتاب العمل بالأسطرلاب Ibn al-Samḥ, Aṣbagh ibn Muḥammad ابن السمح، أصبغ بن محمد, British Library: Oriental Manuscripts, Add MS 9602, ff 25v-55v, in Qatar Digital Library <https://www.qdl.qa/archive/81055/vdc_100023486831.0x000002> [accessed 21 July 2026]

Link to this record

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