Citations
Thomas Kirton's method of finding the latitude and variation of the compass by using the Sun's altitude, 1787-07, GBR/0180/RGO 14/41: 3-5. Cambridge University Library. |
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Thomas Kirton's method of finding the latitude and variation of the compass by using the Sun's altitude, 1787-07, GBR/0180/RGO 14/41: 3-5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110170 Accessed December 27, 2024. |