Maps of Great Britain
| Name: | Ordnance Survey |
| Title: | Diagram shewing the principal triangulation for the Ordnance Survey of Great Britain and Ireland |
| Imprint: | Ordnance Survey, 1856 |
| Pagination: | 1 map ; 82 x 57 cm. |
| Shelfmark: | Map.Area.C16(144) |
| Zoom Into Map: | Click on the map to view in greater detail. |
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