Citations
Letter from Peter Degreaves concerning a compass without variation, 1796-02-04, GBR/0180/RGO 14/45: 376-377. Cambridge University Library. |
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Letter from Peter Degreaves concerning a compass without variation, 1796-02-04, GBR/0180/RGO 14/45: 376-377. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/160512 Accessed November 25, 2024. |