Citations
Charles Babbage: Letter to Sir Francis Beaufort, 1842, GBR/0012/MS Add.4251/39. Cambridge University Library. |
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Charles Babbage: Letter to Sir Francis Beaufort, 1842, GBR/0012/MS Add.4251/39. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/505447 Accessed December 27, 2024. |