Abstract: Collection of short treatises on astronomy and ʻilm al-zāyirjah.Binding note: Brown leather over paper pasteboards for upper and lower covers. Blind-stamped central piece. Yellow paper pastedowns. Damaged.Contents: 1. fol. 1b-15b: Kitāb al-ʻamal bi-al-kurah / li-Qusṭā ibn Lūqā al-Baʻlbakī.Contents: 2. fol. 16a-19a: Short treatise on ʻilm al-zāyirjah (aceph.).Contents: 3. fol. 19b-21a: Kitāb fī ʻilm al-zāyirjah ʻalá ṭarīq al-tisāʻīyah / Muḥammad al-Ghamrī?.Contents: 4. fol. 21b-35b: Kitāb fī ʻilm al-nujūm Urjūzah fī ṣuwar al-kawākib al-thābitah / Abū ʻAlī ibn Abī al-Ḥusayn al-Ṣūfī.Ms. codex.Title from first text.Physical description: 21 lines per page. Written in medium small naskh in black ink, with use of red and magenta ink. European paper. Catchword on the verso of each leaf. Foliation in black ink using Arabic numerals, from "20" to "33" on fol. 2-15. Inscriptions on fol. 36b, including verses of poetry in Persian.Inscription in Arabic script on a label pasted on the upper cover: "Riyāḍīyāt 26". Inscription in Arabic script on a label pasted on pastedown of the upper cover: "Ḥ 895".
Abstract: Collection of two treatises on astronomical instruments, one in 65 short chapters (see table of contents at the beginning of the text, fol. 2b-3a and in Ahlwardt, W. Verzeichnis der arabischen Handschriften, no. 5836) attributed to Qusṭā ibn Lūqā, the other comprising an introduction and 33 chapters (bāb) on an astronomical instrument called the celestial globe (same as Ahlwardt, W. Verzeichnis der arabischen Handschriften, no. 5869 and King, D. Fihrist al-makhṭūṭāt al-ʻilmīyah, 4/2/7.2). The text is followed on fol. 17a by a Faṣl fī al-dāʼir bayna al-ẓuhr wa-al-ʻaṣr wa-al-dāʼir bayna al-ʻaṣr wa-al-ghurūb.Binding note: Purple paper over paper pasteboards for upper and lower covers.Contents: 1. fol. 2b-12b: Maqālah fī al-ʻamal bi-al-kurah al-falakīyah / Qusṭā ibn Lūqā.Contents: 2. fol. 12b-17a: Risālah fī al-kurah dhāt al-kursī.Contents: 3. fol. 17a: Faṣl fī al-dāʼir bayna al-ẓuhr wa-al-ʻaṣr wa-al-dāʼir bayna al-ʻaṣr wa-al-ghurūb.Ms. codex.Title from modern note on fol. 2a. The title of Text 1 appears in the beginning of the text as "al-ʻAmal bi-al-kurah al-falakīyah" (fol. 2b).25 lines per page. Written in clear medium small nastaʻlīq in black ink with use of red. European glazed paper with watermark. Modern foliation in pencil using Western numerals (counts the first fly-leaf as fol. 1). Inscription in Arabic script on a label pasted on the pastedown of the upper cover: "751/2 ḥāʼ". Inscription in pencil in Arabic script on the first fly-leaf (fol. 1a): "Thālith 149".Incipit Text 1 (fol. 2b): مقالة قسطا بن لوقا اليونانى فى العمل بالكرة الفلكية الفها لابى(؟) الحسن عبد الله ابن يحيى كلّ فاضل فمحبته واجبة والفاضل من الناس من كان عند امّه(؟) مفضلا والمفضل عند الله من كان كامل الفضلة فى النفس والبدنExplicit Text 1 (fol. 12b): معرفة عرض البلد من ارتفاع نصف النهار من كواكب الكرة اذا اردنا ذلك زفعنا الكواكب من(؟) اجزاء خلقة نصف النهار والله اعلم تمت هذه الرسالة بعون الله الملك الوهابIncipit Text 2 (fol. 12b): الحمد لله الذي خلق السموات العلي وزينها بمصابيح الذجى والصلوة ... وبعد فان الكرة المسماة بذات الكرسي كرة عجيبة وآلة غريبةExplicit Text 2 (fol. 16b): فى الافق ويرفع عن الافق بقدر ذلك النصف وعلى هذا القياس تم الكتاب بعون الله الوهاب الغفار الستار الذنوب