The Jantar Mantar of Jaipur seen from the top of Lâghu Samrat Yantra
A pair of circular instruments in the foreground are
Jai Prakâsh Yantra (Armillary Sphere Instruments).
In the background on the left is Brihat Samrât Yantra (Giant
Equatorial Sun-Dial) and its western wing, Shastânsha Yantra
(Sextant Instrument). In the background on the right is a group
of Râshi Valâya Yantras (the twelve zodiac instruments).