Citations
Letter from Thomas Hedgcock to the Board of Longitude, 1827-12-03, GBR/0180/RGO 14/35: 332-333. Cambridge University Library. |
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Letter from Thomas Hedgcock to the Board of Longitude, 1827-12-03, GBR/0180/RGO 14/35: 332-333. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159861 Accessed April 20, 2024. |