Citations
Calculations to measure the Right Ascendant, using the Photographic Zenith Tube (PZT), c.1959, GBR/0180/RGO 43/197, Box 20: RGO 43/187-200: Series GBR/0180/RGO 43. Cambridge University Library. |
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Calculations to measure the Right Ascendant, using the Photographic Zenith Tube (PZT), c.1959, GBR/0180/RGO 43/197, Box 20: RGO 43/187-200: Series GBR/0180/RGO 43. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/2038342 Accessed May 19, 2025. |