Why did Jai Singh build the Jantar Mantars?

He found that brass instruments were inaccurate over time and built massive stone instruments to provide more stable and precise data for his 'Jiz'.

Science in 18th Century India

UPSC Archival Analysis

Q: The book 'Jiz Muhammad Shahi', related to astrology and produced in 1733, was written by:

The book 'Jiz Muhammad Shahi' was written by Maharaja Sawai Jai Singh II of Jaipur in 1733. It contains a set of highly accurate astronomical tables used for astronomical and astrological calculations.

Exam Year

2007

Evidence Source

Link

ID: MED_REG_2007_212 Ref: Satish Chandra, Medieval India