Citations
Gunpowder: Correspondence relating to a 'New Effort' on the gunpowder volume, begun in 1971, 1971-10-20 - 1987-11-09, GBR/1928/NRI/SCC2/154. Needham Research Institute. |
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Gunpowder: Correspondence relating to a 'New Effort' on the gunpowder volume, begun in 1971, 1971-10-20 - 1987-11-09, GBR/1928/NRI/SCC2/154. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/330723 Accessed June 30, 2024. |