Citations
Letter from George Hair concerning a magnetic needle, 1787-06-19, GBR/0180/RGO 14/45: 367. Cambridge University Library. |
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Letter from George Hair concerning a magnetic needle, 1787-06-19, GBR/0180/RGO 14/45: 367. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/160507 Accessed April 25, 2024. |