
Difference Engine No. 1
circa 1832
circa 1832
1829
1835
1834
1832
1893-4
1934
1830
1825
2000-100 BCE
1820-1830
1826
1834
1834
1610; 1923
1825-1835
1820
1821-1831
1955; 1830
1835
1829
1826
1831
1863-7
1821
1829
1816
1833
1831
1826
1990-96
1830
circa 1821-1825
1832
1772 (original); 1919 (model)
1819
1830-1835
1775-1799 (original); 1900-1907 (model)
1824
1835
1835
1830
1820
4000-2001 BCE
1829
1930 (replica); 1834 (original)
1821
1833
1830
1826