Charles Babbage

Babbage, Charles

English mathematician and polymath (1791-1871). Autograph letter signed. Dorset Street [London]. 8vo. 1 page on bifolium. With autograph address verso.
$ 2,965 / 2.500 € (82439/BN53449)

To George Richardson Porter (1792-1852), head of the statistical department of the Board of Trade, introducing Col. Thomas Frederick Colby (1784-1852), director of the Ordnance Survey: "Allow me to introduce to you my friend Colonel Colby with whom I believe you have already been in correspondence on statistical subjects [...]". - Small marginal flaws as well as a small tear on the verso, not affecting the address, but touching a biographical note by a collector, identifying Babbage as the "inventor of the Calculating Machine".

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