Babbage's Difference Engine, No 1, 1832. Charles Babbage (1791-1871), an English engineer who originated the concept of a programmable computer. In 1991, a perfectly functioning difference engine was constructed from his original plans, indicating that

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Babbage's Difference Engine, No 1, 1832. Charles Babbage (1791-1871), an English engineer who originated the concept of a programmable computer. In 1991, a perfectly functioning difference engine was constructed from his original plans, indicating that

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