Citations
Explanation of the polar compass constructed by William Casson and John Minto, 1805, GBR/0180/RGO 14/42: 219-221. Cambridge University Library. |
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Explanation of the polar compass constructed by William Casson and John Minto, 1805, GBR/0180/RGO 14/42: 219-221. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110207 Accessed February 19, 2025. |