Citations
Cookson Floating Zenith Telescope: ledgers, 1911 - 1936, GBR/0180/RGO 158. Cambridge University Library. |
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Cookson Floating Zenith Telescope: ledgers, 1911 - 1936, GBR/0180/RGO 158. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/97407 Accessed April 23, 2024. |