
Difference Engine No. 1
circa 1832
circa 1832
1829
2000-100 BCE
1833
1835
1834
1829
1834
1834
1955; 1830
1835
1832
1831
1831
1893-4
1934
1863-7
1830
1829
1829
1832
1830
1831
1775-1799 (original); 1900-1907 (model)
1833
1772 (original); 1919 (model)
4000-2001 BCE
1832
1990-96
1830
1830-1835
1830 (original); 1967 (model)
1930 (replica); 1834 (original)
1829
1829
1829
1705-1737
1835
1835
1828
1870-1877
1830
1990-95
1610; 1923
1831
1642-1649 (original); 1883 (model)
1960-1979
1668; 1924
1831
1829