The Astronomical Observatories of Jai Singh c10.1

c10.1

For the Delhi observatory, known as the Jantar Mantar, we have the following approximately correct elements :— Latitude 28° 37' 35" N.¹ Longitude 77° 13' 5" E. of Greenwich. Height above the sea-level, 695 feet. Magnetic declination E. 1° 45', in 1915. Annual variation—1'. Local time 12 minutes 12 seconds after standard time.