Friday, October 19, 2018
Home > Did You Know > Yantra Chintamani – SineQuadrant (sinecal) to measure celestial angles, time, find directions, determine the positions of celestial object. Made by Hrsikesa, 18th Century Astronomer.

Yantra Chintamani – SineQuadrant (sinecal) to measure celestial angles, time, find directions, determine the positions of celestial object. Made by Hrsikesa, 18th Century Astronomer.

Source: – @othisaivu / Twitter.

 

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