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Citations

George Douglas on a method using the altitude of the sun or stars, 1786 - 1814, GBR/0180/RGO 14/36: 152-170. Cambridge University Library.

George Douglas on a method using the altitude of the sun or stars, 1786 - 1814, GBR/0180/RGO 14/36: 152-170. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110055 Accessed December 26, 2024.

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