Citations
Observations of the magnetic needle, 1851 - 1854, GBR/0180/RGO 15/176. Cambridge University Library. |
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Observations of the magnetic needle, 1851 - 1854, GBR/0180/RGO 15/176. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/101545 Accessed November 26, 2024. |