Citations
Astronomical methods and instruments, 1874 - 1875, GBR/0180/RGO 6/174. Cambridge University Library. |
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Astronomical methods and instruments, 1874 - 1875, GBR/0180/RGO 6/174. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98365 Accessed November 09, 2024. |