Citations
H. Briggs on perpetual motion, 1813-12-01, GBR/0180/RGO 14/54: 37-39. Cambridge University Library. |
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H. Briggs on perpetual motion, 1813-12-01, GBR/0180/RGO 14/54: 37-39. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110434 Accessed February 19, 2025. |