The Great Arc – John Keay

The Great Arc - John Keay
The Great Arc – John Keay

The Great Trigonometrical Survey of India saw 19th scientific progress and British Imperialism traversing the sub continent hand in hand.

Highly readable history.

Publisher page: The Great Arc – John Keay

I saw one of the charts in October at The Science Museum’s Illuminating India – 5000 Years of Science and Innovation exhibition:

Mapping India with Maths - The Great Trigonometric Survey - The Science Museum
Mapping India with Maths – The Great Trigonometric Survey – The Science Museum