Citations
John Sabben's parallactic parts of a circle calculated to a quarter of a degree, 1822-09-17, GBR/0180/RGO 14/54: 318-319a. Cambridge University Library. |
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John Sabben's parallactic parts of a circle calculated to a quarter of a degree, 1822-09-17, GBR/0180/RGO 14/54: 318-319a. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110471 Accessed May 13, 2025. |