Compilation de quatre traités sur les sciences astronomiques

Astronomical compilation of four treatises Orient, copied by a certain Abd Allah al-Sa'id, late 18th century Arabic manuscript of 51 leaves calligraphed in "nasta'liq" from 17 to 21 lines in black and red ink and embellished with a drawing. Condition: pages cut and wormholes. Size: 20 x 12 cm This compilation comprises four treatises: Bajhat al-Albab fi 'Ilm al-Asturlab (The Joy of Spirits Concerning the Science of the Astrolabe) by Söylemez-zade Abdülhalim Efendi, active during the reign of Mustafa II (1695-1703). Hidayat al-sa'il fi'l-rub' al-kamil (on the use of a specialized type of quadrant) by Sibt al-Mardini (d.1506) astronomer and mathematician active in Cairo. Risalat al-'amal bi'l-kura dhat al-kursi (On the use of the sphere), attributed to Qusta b. Luqa (d. 912), physician, mathematician, astronomer, Melkite Christian from Syria, key figure in the transmission of ancient Greek knowledge to the Arab-Muslim world, active with the caliphs: al-Mustain (862-866)1, al-Mutamid (870-892) and al-Muqtadir (908-932), and with the Armenian king Smbat I ( 890-914). Risala fi takhtit al-mizula (Treatise on the drawing of the lines of a sundial), by al-Sharif al-Favzi. He is the author of four different treatises, two of them about drawing sundials, one is about sine quadrant, and another about finding the longitudes of localities. References On the author Söylemez-zade Abdülhalim Efendi, see Bursali Mehmed Tahir Bey, Osmanli Müellifleri, Istanbul 1975, p. 292. Astronomical compilation of four treatises copied by Abdallah al-Sa'id, late 18th century. It contains - Bajhat al-Albab fi 'Ilm al-Asturlab (The Joy of Minds Concerning the Science of the Astrolabe) by Söylemez-zade Abdülhalim Efendi, active under Mustafa II (r. 1695-1703). - Hidayat al-sa'il fi'l-rub' al-kamil (on the use of a specialized quadrant) by Sibt al-Mardini (d.1506), an astronomer and mathematician based in Cairo. - Risalat al-'amal bi'l-kura dhat al-kursi (on the use of sphere), attributed to Qusta b. Luqa (d. 912), physician, mathematician, astronomer, Melkite Christian from Syria, key figures in the transmission of Greek knowledge from Antiquity to the Arab-Muslim world, active with the caliphs: al-Mustain (r. 862-866)1, al-Mutamid (r. 870-892) and al-Muqtadir (r. 908-932), and with the Armenian king Smbat I ( r. 890-914). - Risala fi takhtit al-mizula (Treatise on drawing the lines of a sundial), by a certain al-Fawzi / Fevzi.