Citations
Armillary spheres; early history and the invention of the clock drive, 1940 - 1989, GBR/1928/NRI/SCC2/72/1. Needham Research Institute. |
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Armillary spheres; early history and the invention of the clock drive, 1940 - 1989, GBR/1928/NRI/SCC2/72/1. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/334044 Accessed November 29, 2024. |