Citations
Correspondence on magnetic reductions, 1857 - 1862, GBR/0180/RGO 6/658. Cambridge University Library. |
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Correspondence on magnetic reductions, 1857 - 1862, GBR/0180/RGO 6/658. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98850 Accessed January 18, 2025. |