Citations
Letter from Thomas Hedgcock to the Board of Longitude, 1818-05-28, GBR/0180/RGO 14/35: 300-301. Cambridge University Library. |
|
Letter from Thomas Hedgcock to the Board of Longitude, 1818-05-28, GBR/0180/RGO 14/35: 300-301. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159848 Accessed December 27, 2024. |