Citations
The adoption of the metric system by the Ordnance Survey, 1968-07, GBR/3296/Maps/CCSA.IM_398_55, IM_398_55. Cambridge University Library. |
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The adoption of the metric system by the Ordnance Survey, 1968-07, GBR/3296/Maps/CCSA.IM_398_55, IM_398_55. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239152 Accessed November 13, 2024. |