Charles Babbage's Difference Engine Charles Babbage's Difference Engine Charles Babbage's Difference Engine http://www.computerh...abbage/history/ according to the Computer History Museum Charles Babbage's Difference Engine Charles Babbage's Difference Engine Charles Babbage's Difference Engine Babbage Charles Babbage's Difference Engine according to the Computer History Museum Source Charles Babbage's Difference Engine Charles Babbage's Difference Engine Charles Babbage's Difference Engine