Difference Engine
The completed portion of Charles Babbage's Difference Engine, 1832. This advanced calculator was intended to produce logarithm tables used in navigation. The value of numbers was represented by the positions of the toothed wheels marked with decimal numbers.
Joseph Clement
British engineer
Joseph Clement (baptized June 13, 1779, Great Asby, Westmorland [now Cumbria], Englandādied February 28, 1844, London) was a British engineer who has been called the āfirst computer engineerā for his work on inventor Charles Babbageās Difference Engine. Born into a weaverās family, Clement learned metalworking skills and drawing and was soon building power looms in Aberdeen, where he designed his first tools. He moved to London in 1813, where he held high positions at two...