*My Picture of the day* -
The sun dial at Jantar Mantar Jaipur Rajasthan - built by Raja Jaisingh in 1724, it has 17 instruments to make astronomical observations.
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Dr.Surendra
www.instagram.com/dr.surendra.2017
*My Picture of the day* – Jai Prakash Yantra – Jantar mantar Ja ipur Rajasthan. A concave hemisphere to measure the position of celestial bodies, built by Raja Jaisingh in 1728, a pioneer in astronomy and mathematics. ****** Dr.Surendra www.instagram.com/dr.surendra.2017