Citations
Nicolai Henrich Jaeger on finding longitude by magnetic variation, 1823, GBR/0180/RGO 14/43: 430-435. Cambridge University Library. |
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Nicolai Henrich Jaeger on finding longitude by magnetic variation, 1823, GBR/0180/RGO 14/43: 430-435. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110223 Accessed February 21, 2025. |