Citations
Astronomical methods and instruments, 1875 - 1878, GBR/0180/RGO 6/175. Cambridge University Library. |
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Astronomical methods and instruments, 1875 - 1878, GBR/0180/RGO 6/175. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98366 Accessed December 31, 2024. |