Citations
Mr Boner on an improved quadrant, 1789 - 1828, GBR/0180/RGO 14/30: 405-407. Cambridge University Library. |
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Mr Boner on an improved quadrant, 1789 - 1828, GBR/0180/RGO 14/30: 405-407. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/109905 Accessed April 23, 2025. |