Pioneering British mathematician and mechanical engineer (1791–1871) whose Difference Engine and Analytical Engine are generally acknowledged as the first programmable computers. Third-person ANS signed in the text, “Mr. Babbage,” one page, 3.75 x 4.75, no date. Invitation to a professor. In full: “Mr. Babbage presents his compliments to Professor Ph. Corridi and will be most happy to see him in Dorset St. tomorrow morning at any hour from half past ten to one o’clock.” Affixed to an off-white 8 x 10.5 sheet. In fine condition, with slight wrinkling to corners. Pre-certified PSA/DNA.
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