Citations
Absolute measures of magnetic horizontal force, 1840 - 1846, GBR/0180/RGO 6/641. Cambridge University Library. |
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Absolute measures of magnetic horizontal force, 1840 - 1846, GBR/0180/RGO 6/641. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98833 Accessed June 10, 2023. |