Citations
Magnetic reductions, 1841 - 1857, GBR/0180/RGO 6/661. Cambridge University Library. |
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Magnetic reductions, 1841 - 1857, GBR/0180/RGO 6/661. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98853 Accessed November 26, 2024. |