The Astronomical Observatories of Jai Singh c5.22

c5.22

6 (B). The British Museum manuscript¹ bears the title *Zīj Jadīd Muḥammad Shāhī* (the new Muḥammad Shāh tables) and Rāja Jai Singh Sawāī is indicated as the author. The work consists of three books: (i.) On the current eras, namely, the Hijrah, the eras of Muḥammad Shāh, the Christian era, and the Samvat era. (ii.) On the determination of the ascendants. (iii.) On the motions of the planets and stars and their positions.