Citations
Lieutenant James Wolfe Roberts on a magnetic instrument for showing latitude and longitude, 1800 - 1801, GBR/0180/RGO 14/42: 175-182. Cambridge University Library. |
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Lieutenant James Wolfe Roberts on a magnetic instrument for showing latitude and longitude, 1800 - 1801, GBR/0180/RGO 14/42: 175-182. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110202 Accessed July 05, 2024. |