Citations
Planning and Control Branch job file. 1" 7th Series sheets 12, 122, 120, 24, 182, 183 : experiment accuracy test , 1971 - 1972, GBR/3296/Maps/CCSA.OS_44_22, OS_44_22. Cambridge University Library. |
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Planning and Control Branch job file. 1" 7th Series sheets 12, 122, 120, 24, 182, 183 : experiment accuracy test , 1971 - 1972, GBR/3296/Maps/CCSA.OS_44_22, OS_44_22. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242140 Accessed May 01, 2025. |