Citations
Andrew Pigge on a theory that the magnetic needle is held on its meridian by the laws of gravity only, 1824-04-15, GBR/0180/RGO 14/43: 462-464. Cambridge University Library. |
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Andrew Pigge on a theory that the magnetic needle is held on its meridian by the laws of gravity only, 1824-04-15, GBR/0180/RGO 14/43: 462-464. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110228 Accessed January 05, 2025. |