Citations
Correspondence on magnetic variation, 1787 - 1830, GBR/0180/RGO 14/43. Cambridge University Library. |
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Correspondence on magnetic variation, 1787 - 1830, GBR/0180/RGO 14/43. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/101344 Accessed April 19, 2024. |