Citations
John Evershed: Photographic Plates, 1898 - 1949, GBR/0180/RGO 72/2. Cambridge University Library. |
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John Evershed: Photographic Plates, 1898 - 1949, GBR/0180/RGO 72/2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/107378 Accessed May 01, 2024. |