Citations
Monsieur Duhamel on an instrument for showing magnetic variation, 1820-05-15, GBR/0180/RGO 14/43: 509-511. Cambridge University Library. |
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Monsieur Duhamel on an instrument for showing magnetic variation, 1820-05-15, GBR/0180/RGO 14/43: 509-511. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110235 Accessed April 20, 2024. |