Citations
Dirubola, Ceylon: castor oil extraction process, 1874, GBR/0115/RCS/RCMS 21/1/17. Cambridge University Library. |
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Dirubola, Ceylon: castor oil extraction process, 1874, GBR/0115/RCS/RCMS 21/1/17. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/187749 Accessed January 30, 2025. |