Pioneering British mathematician and mechanical engineer (1791–1871) whose “Difference Engine” and “Analytical Engine” are generally acknowledged as the first programmable computers. ALS signed “C. Babbage,” one page, 3.5 x 4.5, March 2, 1857. Brief letter to a lady declining an invitation. In part, “an engagement will prevent me from having the pleasure of dining with you.” Intersecting folds, and an area of light soiling to lower portion of letter, otherwise fine condition. R&R COA.
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