
Difference Engine No. 1
circa 1832
circa 1832
1830 (original); 1967 (model)
1829
1831
1775-1799 (original); 1900-1907 (model)
1668; 1924
1610; 1923
1826
1829
1832
1893-4
1830
1955; 1830
1642-1649 (original); 1883 (model)
1826
1863-7
1829
2000-100 BCE
1833
1831
1832
1772 (original); 1919 (model)
1830
1826
1831
1833
1830
1829
1826
1990-96
1830
1829
1829
1829
1705-1737
1828
1870-1877
1826
1826
1832
4000-2001 BCE
1990-95
1833
1830
1826
1730-1760 (original); 1931-1939 (replica)
2800 BCE
1828 - 1903
1829
1829