Citations
Correspondence on magnetic instruments, 1932 - 1936, GBR/0180/RGO 8/63. Cambridge University Library. |
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Correspondence on magnetic instruments, 1932 - 1936, GBR/0180/RGO 8/63. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99406 Accessed September 01, 2024. |