Citations
Reduction of observations, 1871 - 1872, GBR/0180/RGO 59/49/4. Cambridge University Library. |
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Reduction of observations, 1871 - 1872, GBR/0180/RGO 59/49/4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/144550 Accessed April 26, 2024. |