Citations
J. Brazill on finding longitude by the variation of the magnetic and true poles, 1817, GBR/0180/RGO 14/38: 443-447. Cambridge University Library. |
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J. Brazill on finding longitude by the variation of the magnetic and true poles, 1817, GBR/0180/RGO 14/38: 443-447. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110131 Accessed April 29, 2024. |