Sawai Jai Singh the statesman astronomer of 18th century India designed astronomical instruments of masonry and stone, built observatories prepared a Zij or a text for astronomical calculations and sent a fact-finding scientific mission to Europe.
His high precision instruments were designed to measure time and angles to the very limit of naked eye observing.
About the Author:
Virendra Nath Sharma is a professor of Physics and Astronomy with the University of Wisconsin Centers, USA. He received his M.Sc. from the Agra University, India and Ph.D. from the Colorado State University Fort Collins, Colorado USA.
REVISED EDITION - 2016