Citations
Photograph showing copper smelting in Kaifeng, 1987, 1987 - 1990, GBR/1928/NRI/SCC2/234/5/50, SCC2/234/5/50. Needham Research Institute. |
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Photograph showing copper smelting in Kaifeng, 1987, 1987 - 1990, GBR/1928/NRI/SCC2/234/5/50, SCC2/234/5/50. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/349070 Accessed September 16, 2026. |