
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1801-1830
1862
1860
1839 (original); circa 1988 (replica)
1870
1831
1870
1831
1869
1853-1857
1846
circa 1842
1858
1849
1847-1848
1829
1801
1066; 1876
circa 1832
1845-1855
1832
1845
1842
1856
1861
1861
1893-4
1934
1805
1800
1812
1830
circa 1808
1840
1861-1866
1857-1870
1821-1850
1831-1870
1835
1837
1848
1858
1850
circa 1860
1840
1826
circa 1868
1845
1815-1825