Citations
Notes on a trial of Thomas Cumming's chronometer at the Royal Observatory, Greenwich, 1820-06-24 - 1820-11-01, GBR/0180/RGO 14/24: 363. Cambridge University Library. |
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Notes on a trial of Thomas Cumming's chronometer at the Royal Observatory, Greenwich, 1820-06-24 - 1820-11-01, GBR/0180/RGO 14/24: 363. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159444 Accessed October 18, 2024. |