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Iberian Peninsula

 Subject
Subject Source: Local sources

Found in 1 Collection or Record:

 Sub-Series

Papers on geodetic surveys, 1855 - 1861

 Sub-Series
Reference Code: GBR/0180/RGO 6/420
Scope and Contents Papers relating to geodetic surveys, including a map and calculations of the British Isles showing trigonometrical bases; a printed 'Report of the progress of the Ordnance Survey and Topographical Depot, to the 31 December 1858'; a photograph of Lt. Colonel James R.E.; an extract from a printed work, including sections on the description of instruments used for the triangulation of Great Britain, the reduction of observations and the observations of the principal triangulations; a list of...
Dates: 1855 - 1861