Citations
Letter from Professor Kratzenstein on chronometers and magnetic variation, 1786-08-28, GBR/0180/RGO 14/38: 464-466. Cambridge University Library. |
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Letter from Professor Kratzenstein on chronometers and magnetic variation, 1786-08-28, GBR/0180/RGO 14/38: 464-466. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110133 Accessed November 28, 2024. |