Citations
Typed notes by Joseph Needham and Lu Gwei-Djen on astronomical instruments from the 'Huang Chhao Li Chhi Thu Shih', (1759), 1963-10-31, GBR/1928/NRI/NRI2/2/4/3/7. Needham Research Institute. |
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Typed notes by Joseph Needham and Lu Gwei-Djen on astronomical instruments from the 'Huang Chhao Li Chhi Thu Shih', (1759), 1963-10-31, GBR/1928/NRI/NRI2/2/4/3/7. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/331095 Accessed April 23, 2025. |