Models of (a) Celestial hemispheres (Kapali) (b) equatorially mounted circles (Chakra Yantra)

Made:
1884-1886 in Jaipur
designer:
Jai Singh

models of (a) Celestial hemispheres (Kapali) (b) equatorially mounted circles (Chakra Yantra), scale 1:24, in the Jaipur Observatory

The hemispherical bowls were used for converting right ascension and declination into latitude and longitude. They are calculators rather than onserving instruments. The horizontal rim of the bowl can represent either the equator or the ecliptic.

Details

Category:
Astronomy
Object Number:
1887-7
type:
sundials
credit:
Colonial and Indian Exhibition 1886