Citations
Correspondence on astrographic equatorials, 1887 - 1891, GBR/0180/RGO 7/43. Cambridge University Library. |
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Correspondence on astrographic equatorials, 1887 - 1891, GBR/0180/RGO 7/43. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99085 Accessed November 08, 2024. |