Citations
Patrick Leahy's instrument for measuring distances by sea or land, 1822, GBR/0180/RGO 14/44: 212-217. Cambridge University Library. |
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Patrick Leahy's instrument for measuring distances by sea or land, 1822, GBR/0180/RGO 14/44: 212-217. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110268 Accessed April 25, 2024. |