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Citations

David Christieson on an instrument for finding longitude, 1817, GBR/0180/RGO 14/38: 338-343. Cambridge University Library.

David Christieson on an instrument for finding longitude, 1817, GBR/0180/RGO 14/38: 338-343. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110113 Accessed April 19, 2024.

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