Citations
Small scale control job file. ¼" 5th Series misc : specification, 1957 - 1962, GBR/3296/Maps/CCSA.OS_100_2, OS_100_2. Cambridge University Library. |
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Small scale control job file. ¼" 5th Series misc : specification, 1957 - 1962, GBR/3296/Maps/CCSA.OS_100_2, OS_100_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242445 Accessed April 30, 2025. |