Search examples: Microsoft | 2015 | 2014/10 | 4.12 | 04/20 | 05/26/1980 | Galileo Galilei

Great Trigonometric Survey (surveying)

science · 10 April 1802 · 222 years ago

Great Trigonometric Survey Great Trigonometric Survey of India begins with the measurement of a baseline near Madras.

More science on 10 Apr