
Difference Engine No. 1
circa 1832
circa 1832
2000-100 BCE
1833
1834
1832
1834
1834
1863-7
1955; 1830
1893-4
1990-96
1832
1775-1799 (original); 1900-1907 (model)
1833
1930 (replica); 1834 (original)
1870-1877
1832
1772 (original); 1919 (model)
1830 (original); 1967 (model)
1705-1737
4000-2001 BCE
1990-95
1610; 1923
1642-1649 (original); 1883 (model)
1668; 1924
1960-1979
2000-100 BCE
1832
1883-01
1832
1836-02
1872-08
circa 3000 BCE
1832
2000 BCE
1832
1832
1832
1834
1832
1834
1833
1833
1832
1834
1832
1833
1833
1832
1832