Citations
Papers on magnetic observations, 1873 - 1893, GBR/0180/RGO 7/114. Cambridge University Library. |
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Papers on magnetic observations, 1873 - 1893, GBR/0180/RGO 7/114. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99156 Accessed April 06, 2025. |