Citations
Measurements on the meridian arc, 1840 - 1841, GBR/0180/RGO 15/83. Cambridge University Library. |
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Measurements on the meridian arc, 1840 - 1841, GBR/0180/RGO 15/83. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/101452 Accessed April 23, 2024. |