The story of
Ravenser Odd
Series
Catalogue reference: OS 13
OS 13
This series contains Ordnance Survey branch files. They relate to all aspects of field survey work, including triangulation and levelling, the Retriangulation of Great Britain, resurvey, overhaul and revision, and air survey.
This series contains Ordnance Survey branch files. They relate to all aspects of field survey work, including triangulation and levelling, the Retriangulation of Great Britain, resurvey, overhaul and revision, and air survey.
Records of the Ordnance Survey of Great Britain
Ordnance Survey: Directorate of Field Survey: Branch Files
The story of
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