Citations
Zenith distance and quadrant observations, 1750 - 1811, GBR/0180/RGO 4/34. Cambridge University Library. |
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Zenith distance and quadrant observations, 1750 - 1811, GBR/0180/RGO 4/34. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/97648 Accessed January 20, 2025. |