Citations
Letter from James Playfair to the Board of Longitude, 1808-01-11, GBR/0180/RGO 14/36: 39-41. Cambridge University Library. |
|
Letter from James Playfair to the Board of Longitude, 1808-01-11, GBR/0180/RGO 14/36: 39-41. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110044 Accessed January 20, 2025. |