
Difference Engine No. 1
circa 1832
circa 1832
1831
1705-1737
1830 (original); 1967 (model)
1990-96
1829
1955; 1830
1829
1832
1893-4
1863-7
1830
1829
2000-100 BCE
1826
1831
1826
1772 (original); 1919 (model)
1826
1830
1826
1831
1775-1799 (original); 1900-1907 (model)
1829
1829
1829
1828
1830
1826
1826
1832
4000-2001 BCE
1829
1830
1832
1870-1877
1936
1826
1610; 1923
1830
1668; 1924
2050-1750 BCE
1990-95
1830
1730-1760 (original); 1931-1939 (replica)
1580-1588; 1930
2000-1001 BCE
1827 - 1912
1829
1832