Citations
Letter from J.L. Mackay to the Board of Longitude, 1818-11-16, GBR/0180/RGO 14/40: 367. Cambridge University Library. |
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Letter from J.L. Mackay to the Board of Longitude, 1818-11-16, GBR/0180/RGO 14/40: 367. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/160283 Accessed April 27, 2024. |