Difference Engine No. 1
circa 1832
circa 1832
1610; 1923
1834-1836
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1831
1831
1990-96
1934
1772 (original); 1919 (model)
1705-1737
1833
1830
2000-100 BCE
1832
4000-2001 BCE
1830
1955; 1830
1836
1870-1877
1863-7
1830
1830-1835
1893-4
1830
1835
1832
1835
1833
1860-1920
circa 1830s
1832
1834
1832
1834
1834
1930 (replica); 1834 (original)
1830
1833
1668; 1924
1642-1649 (original); 1883 (model)
1830
1990-95
1835-08
circa 1830s
1936
1835
300 BCE; 1905-1915
1960-1979
6000-5000BCE