A short insight into the long forgotten history of Great Triangulation Survey of the Indian Subcontinent from 1802 to 1867. #GTS #Everest #RadhanathSikdar
Various Sources & Reference -
[ Ссылка ]
Historical Records of the Survey of India Vol III - By Col RH Phillimore
Indian Journal of History of Science, 50.4 (2015) 642-645 - Trigonometrical Survey of India and Naming of Peak XV as Mt. Everest
www.rangan-dutta.info
G & RB Section of Survey of India
Lambton, William (1811). "An account of the Trigonometrical Operations in crossing the peninsula of India, and connecting Fort St. George with Mangalore"
Markham, Clements (1878). A Memoir on the Indian Surveys
