The Countries of Indostan East of Delhi by Major James Rennell, late Surveyor General to the East-India Company in Bengal.

James Rennell (1742 - 1830)

Rennell was an important figure in Indian mapping. In 1764, at the age of twenty one, Rennell was appointed surveyor-general of the East India Company's dominions in Bengal with a commission in the Bengal Engineers. He was promoted to Surveyor-General in 1767 by Major-General Robert Clive and was later employed by the first Governor-General of India, Warren Hastings. Hastings significantly increased the scope of the Indian surveying project and Rennell spent the next thirteen years surveying not only the geographical features of the continent but also gathering information about the region’s people, culture and property holdings, in order to support the collection of taxation. He retired from active service in 1777 and returned to England to work at East India House in London. He received the Copley Medal from the Royal Society in 1791 for his work on this monumental map of India.

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