Citations
Astronomy 6: Instruments, 1940 - 1989, GBR/1928/NRI/SCC2/72. Needham Research Institute. |
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Astronomy 6: Instruments, 1940 - 1989, GBR/1928/NRI/SCC2/72. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/330641 Accessed May 21, 2025. |