
Difference Engine No. 1
circa 1832
circa 1832
1829
1830 (original); 1967 (model)
1835
1829
1831
1829
1775-1799 (original); 1900-1907 (model)
1642-1649 (original); 1883 (model)
1668; 1924
1831
1828 - 1947
1990-96
1610; 1923
1830
1772 (original); 1919 (model)
2000-100 BCE
1827 - 1912
1990-95
1934
1832
1828
1835
1831
1705-1737
1829 - 1928
circa 1830s
1828 - 1914
1829 - 1901
1580-1588; 1930
1834 - 1981
1830
4000-2001 BCE
1832
1870-1877
300 BCE; 1905-1915
1960-1979
2050-1750 BCE
1955; 1830
1863-7
1830-1835
1936
1832 - 2002
1798 (original); 1977 (model)
2000-1001 BCE
1893-4
1701-1800
1835
1832
1730-1760 (original); 1931-1939 (replica)