Difference Engine No. 1
circa 1832
circa 1832
1825
1829
1610; 1923
1829
1775-1799 (original); 1900-1907 (model)
1829
1831
1831
1833
1772 (original); 1919 (model)
1934
1930 (replica); 1834 (original)
1705-1737
1833
1835
1830
1828
1825-1835
1825
2000-100 BCE
4000-2001 BCE
1834
1830
1832
1834
1863-7
1834
1930 (replica); 1834 (original)
1870-1877
1830
1830-1835
1893-4
1829
1825
1826
1835
1830
1668; 1924
1829
1832
1830
1835
1826
1990-95
1826
1833
1829
1860-1920
1829