Citations
Report on the trial of the military version (MRA2) tellurometer by the Ordnance Survey, 1959-05, GBR/3296/Maps/CCSA.FJ_206_2, FJ_206_2. Cambridge University Library. |
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Report on the trial of the military version (MRA2) tellurometer by the Ordnance Survey, 1959-05, GBR/3296/Maps/CCSA.FJ_206_2, FJ_206_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238930 Accessed November 13, 2024. |