A collection of twenty five treatises (mostly in verse) on astronomy, the astrolabe, the calendar, geometry, mathematics, time reckoning, etc. by different authors, some anonymous: 1. Naẓm ʻadad al-manāzil (folios 1b-2b), a poem on the phases of the moon. 2. Manẓūmah fī ʻilm al-falak (folios 3a-11b), a poem on astronomy by ʻAbd al-Raḥmān ibn Ṣaghīr al-Akhḍarī, an obscure author. 3. Masālik al-akhyār fī ʻilm al-layl wa-al-nahār (folios 12a-19b), a poem on the knowledge of night and day by ʻAbd al-Raḥmān ibn ʻAbd al-Qādir al-Qābisī, an obscure author. 4. Naẓm al-Muqniʻ fī ʻilm Abī Muqriʼ (folios 20a-23a), a poem (urjūzah) on time reckoning by Muḥammad ibn Saʻīd ibn Yaḥyá al-Sūsī al-Mirightī (1598 or 9-1678 or 9), a prolific scholar from the town of Miright, Morocco. 5. Manẓūmah fi tarḥīl al-shams (folios 23a-24b), a poem regarding the movement of the Sun. 6. Munẓūmah ukhrá (folios 25a-25b), another poem on time reckoning. 7. Fī Ḥulūl al-Shams fī al-manāzil wa-maʻrifat awqāt al-layl (folios26a-30a), a poem on the movement of the Sun through the different stations and the knowledge of the time at night by al-Haythamī, an obscure author. 8. Manẓūmah fī al-taʻdīl (folios 30b-31a), a poem about astronomical corrections by Jābir al-ʻAyyāshī, an obscure author. 9. Istihlālīyah fī al-ḥisāb (folios 31a-34a), an itroduction to arithmatic in verse by Aḥmad al-Ḍaʻīf, an obscure author. 10. Naẓm fī Maʻrifat mā yamḍī fī al-layl bi-sayr al-qamar (folios 34b-35a), a poem regarding what passes in the night during the movement of the Moon by Abū ʻAlī, an obscure author. 11. Rawḍat al-azhār fī ʻilm waqt al-layl wa-al-nahār (folios 35a-45b), a treatise regarding the time of night and day by ʻAbd al-Raḥmān ibn Abī Ghālib al-Jādarī (1384 or 5-1435 or 6), a little known scholar. 12. al-Yawāqīt fī al-mubtaghá min ʻilm al-mawāqīt, also known by the title al-Yawāqīt li-mubtaghī maʻrifat al-mawāqīt (flios 46a-57b) a treatise about the knowledge of time by ʻAlī ibn Muḥammad al-Dādasī/al-Dādisī (d. after 1683), an astronomer and mathematician, originally from the Dādas/Dādis rigion in the Atlas Mountains who lived in Fès (Morocco). 13. Ajzāʼ al-asṭurlāb wa-rusūmuh (folios 54a-62 b), also known by the titles Bughyat al-Ṭullāb fī ʻilm al-isṭarlāb and Naẓm al-Ḥabbāk, a treatise in verse (urjūzah) on the astrolabe (an astronomical instrument) by Muḥammad ibn Aḥmad al-Ḥbbāk (d. 1462 or 3), an astronomer and geometrician. 14. Jamʻ al-ummahāt al-muḥtāj ilayhā fī ʻilm al-awqat fī al-ʻamal bi-al-asturlāb (folios 63a-82a), a treatise on time reckoning by using the astrolabe. 15. Risālat al-rubʻ al-mujayyab, also known by the title al-Risalah al-fatḥiyah fī al-aʻmāl al-jaybīyah (folios 82b-89a), a mathematical treatise on the use of the quadrant by Badr al-Dīn Muḥammad ibn Muḥammad Sibṭ al-Maridīnī (b. 1423) a famous astronomer and mathematician, originally from Damascus, Syria who was born and lived in Cairo, Egypt and was appointed muwaqqit (timekeeper) at al-Jāmiʻ al-Azʹhar in Cairo. 16. Naẓm fī al-ʻilm al-handasī, a treatise in verse on geometry (folios 89a-89b). 17. Naẓm fī aʻmāl al-jayb (folios 90a-93a), a poem on the use of the quadrant. 18. Manẓūmat ʻAlī ibn Ghānim (folios 93b-100b), a poem on the use of the quadrant by ʻAlī ibn Ghānim, an obscure author. 19. al-ʻAmal bi-al-rubʻ al-mujayyab (folios 101-104b), a poem on the use of the quadrant by ʻAbd al-Raḥmān ibn ʻAbd al-Qādir al-Qābisī, an obscure author. 20. a Poem on the same topic by the same author (folios 104b-107a). 21. Manẓūmat Muḥammad al-Mizzī fī al-rubʻ al-mujayyab (folios 107b-115a), also known by the title Naẓm al-luluʼ al-muhadhdhab fī al-ʻamal bi-al-rubʻ al-mujayyab, a poem on the use of the quadrant by Muḥammad ibn Aḥmad al-Mizzī (1291 or 2-1349 or 50), an astronomer and mathematician. 22. Risālat fi rubʻ al-dāʼirah (folios 115b-128a), on the use of the quadrant by Muḥammad ibn Ismāʻīl al-Muqrī, an obscur author. 23. Risālah fi al-layl wa-al-nahār (folios 128b-139a), a treatise on night and day. 24. Sharḥ al-Muqniʻ (folios 140a-146b), an astronomical treatise probably by Muḥammad ibn Saʻīd ibn Yaḥyá al-Sūsī al-Mirightī (1598 or 9-1678 or 9), being a commentary on his previous treatise "Naẓm al-Muqniʻ fī ʻilm Abī Muqriʼ" (no. 4). 25. Naẓm ʻAbd al-Raḥmān al-Qābisī fi al-asṭurlāb (folios 147a-150b), a treatise in verse on the astrolabe by ʻAbd al-Raḥmān ibn ʻAbd al-Qādir al-Qābisī, an obscure author. Name of the copyist of this codex and place and date of copying are not mentioned, probably in the 19th century in Morocco.
