
Difference Engine No. 1
circa 1832
circa 1832
1835
1831
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1829
1837
1837
1837
1835
1955; 1830
1837
1826
1863-7
1829
1833
1831
1836
1834
1829
1832
1831
1893-4
1934
1837
1830
1825
2000-100 BCE
1837
1837
1826
1834
1834
1825-1835
1832
1826
1990-96
1830
1830-1835
1830
1826
1833
1829
1705-1737
1835
1835
1828
1870-1877
1825
1830