
Difference Engine No. 1
circa 1832
circa 1832
1815-1825
1829
1835
1802
1834
1832
1893-4
1934
1805
1812
1805-1815
1830
circa 1808
1825
2000-100 BCE
1813
1820-1830
1803-1828
1808
1826
1834
1834
1610; 1923
1825-1835
1820
1821-1831
1955; 1830
1805
1807
1808
1809
1835
1829
circa 1805
1826
1831
1807
1815
1815
1810-1817
1802
1863-7
1808
1807
1821
1807
1812
1829
1807