[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [The Astronomical Observatories of Jai Singh](https://indike.org/pramana/ins.science.kaye-1918) › c13.8 # The Astronomical Observatories of Jai Singh c13.8 The Astronomical Observatories of Jai Singh c13.8 - **Language:** English ### [c13.8](https://indike.org/pramana/ins.science.kaye-1918.c13.8) On the east wall of AA is a double quadrant or Dakṣiṇovṛtti yantra, and to the south of AA is another Dakṣiṇovṛtti yantra, not shown in the plan. The grooves shown in the plan were possibly used for levelling purposes. - [Previous: c13.7](https://indike.org/pramana/ins.science.kaye-1918.c13.7) - [Next: c13.9](https://indike.org/pramana/ins.science.kaye-1918.c13.9) - [Up: c13](https://indike.org/pramana/ins.science.kaye-1918.c13) --- Source: [https://indike.org/pramana/ins.science.kaye-1918.c13.8](https://indike.org/pramana/ins.science.kaye-1918.c13.8) · Pramāṇa