Citations
Astronomical methods and instruments, 1878 - 1880, GBR/0180/RGO 6/176. Cambridge University Library. |
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Astronomical methods and instruments, 1878 - 1880, GBR/0180/RGO 6/176. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98367 Accessed November 19, 2024. |