Citations
Rule for ascertaining the longitude by Hedgcock, 1812 - 1815, GBR/0180/RGO 14/35: 286. Cambridge University Library. |
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Rule for ascertaining the longitude by Hedgcock, 1812 - 1815, GBR/0180/RGO 14/35: 286. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159838 Accessed April 20, 2024. |