Citations
Correspondence on the transit circle, 1937 - 1961, GBR/0180/RGO 9/85. Cambridge University Library. |
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Correspondence on the transit circle, 1937 - 1961, GBR/0180/RGO 9/85. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99600 Accessed September 14, 2026. |