Citations
Rulers and slide rules, c.1913-1995, GBR/1928/NRI/NRI2/8/20/2, Box NRI2/8/20/2-10. Needham Research Institute. |
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Rulers and slide rules, c.1913-1995, GBR/1928/NRI/NRI2/8/20/2, Box NRI2/8/20/2-10. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/849750 Accessed November 24, 2024. |