bn:00755433n
Noun Named Entity
Categories: Articles with short description, Geographic history of the United Kingdom, Geodetic surveys, Cartography, 1784 in Great Britain
EN
Principal Triangulation of Great Britain  Trigonometrical survey  Principal Triangulation of Britain
EN
The Principal Triangulation of Britain was the first high-precision triangulation survey of the whole of Great Britain and Ireland, carried out between 1791 and 1853 under the auspices of the Board of Ordnance. Wikipedia
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EN
The Principal Triangulation of Britain was the first high-precision triangulation survey of the whole of Great Britain and Ireland, carried out between 1791 and 1853 under the auspices of the Board of Ordnance. Wikipedia