Citations
Letter from John Battle on a perpetual lunar dial, 1826-12-13, GBR/0180/RGO 14/44: 4-5. Cambridge University Library. |
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Letter from John Battle on a perpetual lunar dial, 1826-12-13, GBR/0180/RGO 14/44: 4-5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110249 Accessed November 25, 2024. |