
Difference Engine No. 1
circa 1832
circa 1832
1830
1775-1799 (original); 1900-1907 (model)
1829
1830
1832
1831
1893-4
1863-7
1829
2000-100 BCE
1955; 1830
1831
1829
1990-96
1830
1830
1831
1829
1829
1829
1705-1737
1828
1870-1877
4000-2001 BCE
1830 (original); 1967 (model)
1832
1772 (original); 1919 (model)
1832
1829
1831
1668; 1924
1990-95
1642-1649 (original); 1883 (model)
1610; 1923
2050-1750 BCE
1830
1960-1979
700 BCE; 1931
1845-1964
1600-1500 BCE (original); 1900-1914 (copy)
6000-5000BCE
1979-80
1830
30 CE
30 CE
2686-2613 BCE
1830
1830
1830