Citations
Letter from John Pond to [the Board of Longitude], 1811-06-10, GBR/0180/RGO 14/68: 47. Cambridge University Library. |
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Letter from John Pond to [the Board of Longitude], 1811-06-10, GBR/0180/RGO 14/68: 47. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/161263 Accessed April 26, 2024. |