Babbage’s Difference Engine no. 1 completed

Babbage’s Difference Engine No. 1In 1832, machinist Joseph Clement completed Difference Engine no. 1, the only prototype of Babbage’s design executed during Babbage’s lifetime. Exact date unknown; if you have information about the correct date, please email with this information.


Roger Whitson, “The Difference Engine: 1832, 1855, 1876, 1991, 2002, 2008″

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