Citations
Robert Laurie's instrument for finding longitude by means of a lunar distance, 1793-05-18, GBR/0180/RGO 14/38: 199-201a. Cambridge University Library. |
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Robert Laurie's instrument for finding longitude by means of a lunar distance, 1793-05-18, GBR/0180/RGO 14/38: 199-201a. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110097 Accessed April 24, 2024. |