
Difference Engine No. 1
circa 1832
circa 1832
1815-1825
1838
1829
1835
1837-1840
1840
1834
1832
1893-4
1934
1812
1830
1840
1825
2000-100 BCE
1813
1820-1830
1837
1837
1822-1840
circa 1840
1837
1840
1826
1834
1834
1610; 1923
1825-1835
1837
1820
1821-1831
1955; 1830
1835
1837
1829
1826
1831
1815
1815
1838
1837
1863-7
1821
1820-1840
1812
1829
1814
1816
1833