
Difference Engine No. 1
circa 1832
circa 1832
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1642-1649 (original); 1883 (model)
1668; 1924
1990-96
1610; 1923
1772 (original); 1919 (model)
2000-100 BCE
1990-95
1832
1705-1737
1580-1588; 1930
1834 - 1981
4000-2001 BCE
1832
1870-1877
300 BCE; 1905-1915
1960-1979
2050-1750 BCE
1955; 1830
1863-7
1936
1832 - 2002
1798 (original); 1977 (model)
2000-1001 BCE
1893-4
1701-1800
1832
1730-1760 (original); 1931-1939 (replica)
6000-5000BCE
100-1 BCE; 1501-1600; 1914
1856-11
1834
1600-1500 BCE (original); 1900-1914 (copy)
circa 1834
1834
1501-1600; 1972
1832 - 1922
1976; 1776
1991-1783 BCE
1832
1833 - 1883
1832 - 1928
700 BCE; 1931
1832
1783; 1914
circa 3000 BCE
1777 (original); 1894 (model)
8500-2000 BCE