Citations
Letter reporting on condition of Earnshaw chronometer No. 609, 1830-08-30, GBR/0180/RGO 5/237: 164. Cambridge University Library. |
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Letter reporting on condition of Earnshaw chronometer No. 609, 1830-08-30, GBR/0180/RGO 5/237: 164. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/109328 Accessed May 12, 2025. |