
Difference Engine No. 1
circa 1832
circa 1832
1829
2000-100 BCE
1837
1837
1833
1837
1835
1834
1829
1832
1834
1834
1934
1837
1863-7
1836
1837
1955; 1830
1835
1837
1831
1837
1831
1893-4
1829
1990-96
1832
1830
1831
1775-1799 (original); 1900-1907 (model)
1833
1930 (replica); 1834 (original)
1837
1835
1835
1870-1877
1837
1832
1772 (original); 1919 (model)
1830-1835
1830 (original); 1967 (model)
1830
1829
1829
1705-1737
1829
4000-2001 BCE
1990-95
1610; 1923