Timeline September 1840

Events in September 1840 1

• 1840 Babbage Lectures in Turin Luigi Menabrea attends and documents the Analytical Engine In September 1840, Charles Babbage traveled to Turin, Italy, to lecture on his design for the Analytical Engine, a far more ambitious successor to the Difference Engine capable of general-purpose calculation. Italian military engineer Luigi Menabrea attended the lectures and took detailed notes, which he later published as a scholarly paper. This paper would become the basis for Ada's most famous work three years later.