Citations
John Dumbell on a chronometer unaffected by heat or cold, 1799, GBR/0180/RGO 14/23: 226-230. Cambridge University Library. |
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John Dumbell on a chronometer unaffected by heat or cold, 1799, GBR/0180/RGO 14/23: 226-230. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/109781 Accessed April 26, 2024. |