Pioneering British mathematician and mechanical engineer (1791–1871) whose Difference Engine and Analytical Engine are generally acknowledged as the first programmable computers. Fountain pen signature, “C. Babbage,” on an off-white 4 x 2.5 slip cut from the end of a letter with several additional lines of text. Affixed to a slightly larger page. In fine condition, with vertical crease passing through his name and text. RRAuction COA.
