Charles Babbage letter
Letter from Charles Babbage in London to George Ticknor, telling him that he is sending an engraving of his own portrait and some samples of wood to illustrate his theory of rings. Enclosure: George Ticknor note explaining theory of rings to illustrate effects on tree growth.
- Ticknor, George, 1791-1871 (Recipient, Person)
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.01 linear ft. (1 envelope) ; 19 cm
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Part of the Rauner Library Archives and Manuscripts Repository
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