Citations
Letter from Thomas Cumming to the Board of Longitude, 1823-02-06, GBR/0180/RGO 14/24: 364-366. Cambridge University Library. |
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Letter from Thomas Cumming to the Board of Longitude, 1823-02-06, GBR/0180/RGO 14/24: 364-366. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159445 Accessed January 05, 2025. |