The Astronomical Observatories of Jai Singh c25.20

c25.20

Ibn Jūnis. See ‘alī b. Abdal-Raḥmān abū’l Ḥasan b. Jūnis. Ibrāhīm b. Yaḥyā al-Naqqās al-Zarqālī (A.D. 1029-1087) 27. Iftikhār Khān 27. ’Ilkhānic Tables 5, 11. India Office astrolabes 20, 31. inḥirāf 25. Instruments: errors in 13, 14; European 83-84; evolution of Jai Singh’s 40, 86-87; Flamsteed’s 14; Hindu 31 seq., 77 seq.; Jai Singh’s 12 seq.; masonry 35 seq.; metal 16 seq.; Muslim 12, 81-82; size of 13, 14, 17, 82, 86.