Citations
Richard Benson Walker's instrument to aid navigation at sea, 1790, GBR/0180/RGO 14/45: 340-343. Cambridge University Library. |
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Richard Benson Walker's instrument to aid navigation at sea, 1790, GBR/0180/RGO 14/45: 340-343. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110289 Accessed September 16, 2024. |