Citations
Correspondence on magnetic instruments, 1952 - 1953, GBR/0180/RGO 9/122. Cambridge University Library. |
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Correspondence on magnetic instruments, 1952 - 1953, GBR/0180/RGO 9/122. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99637 Accessed April 26, 2024. |