Jantar Mantar II

The first picture is the Jai Prakash Yantra. It is one of two structures and was invented, it is thought, by Jai Singh himself to verify the readings of his other instruments.





The size of these instruments make them very resistant to vibrations and therefore more exact in their measurements. The small stair structure (Rashivalaya Yantra)is part of a 12 pieces that represent the zodiac signs. They each face a different constellation. Astrologers used this yantra (instrument) to cast horoscopes. It is the only one in the world. Thanks again to DK Eyewitness Travel Guide to India for the facts.