
Difference Engine No. 1
circa 1832
circa 1832
1835
1829
1836
1825-1835
1835
1834
1829
1832
1834
1834
1826
1831
1955; 1830
1826
1893-4
1934
1863-7
1830
1829
1825
2000-100 BCE
1833
1831
1829
1832
1772 (original); 1919 (model)
1826
1990-96
1824
1830
1830-1835
1830
1826
1831
1775-1799 (original); 1900-1907 (model)
1830 (original); 1967 (model)
1824
1833
1930 (replica); 1834 (original)
1829
1829
1829
1705-1737
1835
1835
1828
1870-1877
1825
1830