The Astronomical Observatories of Jai Singh c10.4

c10.4

The general plan² (plate XIII) of the observatory shows the following structures :—
(a) The Samrāṭ Yantra (‘Supreme instrument’), a huge equinoctial dial, Figures 40, 43-46 and plate XV.
(b) The Jai Prakāś, consisting of two hemispherical structures, just to the south of the Samrāṭ Yantra. Figures 41 and 42 and plate XVIII.
(c) The Rām Yantra, consisting of two circular buildings to the south of the Jai Prakāś. Figures 41, 47-49 and plate XVII.
(d) The Miśra Yantra (‘mixed instrument’), north-west of the Samrāṭ Yantra. Figures 50 and 51 and plate XIX.
(e) Two pillars south-west of the Miśra Yantra.
(f) A measuring platform, just south of the Miśra Yantra.