Citations
Royal Observatory, Greenwich, The Magnet House, 1847-07-17, GBR/0180/RGO 116/5/2. Cambridge University Library. |
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Royal Observatory, Greenwich, The Magnet House, 1847-07-17, GBR/0180/RGO 116/5/2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/146902 Accessed November 16, 2024. |