Citations
Ordnance Survey: the mathematical basis of the Ordnance maps of the United Kingdom, 1919, GBR/3296/Maps/CCSA.BWA_338_18, BWA_338_18. Cambridge University Library. |
|
Ordnance Survey: the mathematical basis of the Ordnance maps of the United Kingdom, 1919, GBR/3296/Maps/CCSA.BWA_338_18, BWA_338_18. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/236026 Accessed September 20, 2024. |