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Citations

Plan of an instrument for finding longitude by observing the passing of the sun over the meridian, 1813, GBR/0180/RGO 14/38: 271-274. Cambridge University Library.

Plan of an instrument for finding longitude by observing the passing of the sun over the meridian, 1813, GBR/0180/RGO 14/38: 271-274. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/160091 Accessed December 23, 2024.

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