
Difference Engine No. 1
circa 1832
circa 1832
1835
1831
1775-1799 (original); 1900-1907 (model)
1830 (original); 1967 (model)
1955; 1830
1835
1834
1832
1831
1893-4
1934
1863-7
1830
2000-100 BCE
1833
1831
1836
1834
1834
1832
1772 (original); 1919 (model)
1990-96
1830
1830-1835
1830
1833
1705-1737
1835
1835
1870-1877
1830
1832
4000-2001 BCE
1930 (replica); 1834 (original)
1610; 1923
1642-1649 (original); 1883 (model)
1830
1668; 1924
1936
1830
2050-1750 BCE
1990-95
1798 (original); 1977 (model)
300 BCE; 1905-1915
1845-1964
1837-10
1831
1850-1899
1835