Citations
Astronomical methods and instruments, 1866 - 1870, GBR/0180/RGO 6/172. Cambridge University Library. |
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Astronomical methods and instruments, 1866 - 1870, GBR/0180/RGO 6/172. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98363 Accessed January 14, 2025. |