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Pioneering British mathematician and mechanical engineer (1791–1871) whose Difference Engine and Analytical Engine are generally acknowledged as the first programmable computers. Uncommon pamphlet by Charles Babbage entitled "Observations on the Notation employed in the Calculus of Functions," an extract from the Transactions of the Cambridge Philosophical Society, as read before the Royal Society on May 1, 1820. Bound in plain modern wrappers, 9.25 x 11.25, 14 pages. In this remarkable paper, Babbage demonstrates the reasons for his chosen system of notation for the calculus of functions, discussing the important consequences which had followed on the adoption of improvements in notation. He then explains by elaborate examples the advantages to be derived from the notation of functions in its improved state. In fine condition, with light soiling and creasing to corners. Accompanied by a four-page extract from the Edinburgh Encyclopedia (1830), containing Babbage's contribution on "Notation."
