Difference Engine No. 1
circa 1832
circa 1832
1610; 1923
1834-1836
1775-1799 (original); 1900-1907 (model)
1930 (replica); 1834 (original)
1833
1831
1831
1833
1772 (original); 1919 (model)
1934
1834
1705-1737
1832
1834
1835
1930 (replica); 1834 (original)
1834
2000-100 BCE
4000-2001 BCE
1836
1863-7
1870-1877
1893-4
1835
1832
1835
1833
1860-1920
1832
1668; 1924
1990-95
1642-1649 (original); 1883 (model)
1832
1835-08
1955; 1830
1936
1600-1500 BCE (original); 1900-1914 (copy)
1835
300 BCE; 1905-1915
6000-5000BCE
1960-1979
1832
1580-1588; 1930
2050-1750 BCE
100-1 BCE; 1501-1600; 1914
1845-1964
1990-96
1976; 1776
1730-1760 (original); 1931-1939 (replica)