Citations
Gunpowder: Miscellaneous papers, 1970 - 1990-01-07, GBR/1928/NRI/SCC2/153. Needham Research Institute. |
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Gunpowder: Miscellaneous papers, 1970 - 1990-01-07, GBR/1928/NRI/SCC2/153. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/330722 Accessed November 30, 2024. |