
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1801
1801-1830
circa 1832
1788
1870
1853-1857
1829
circa 1861
circa 1846
1872
1862
1849
1838
1847-1848
1853-1857
1815-1825
1830 (original); 1967 (model)
1846
1801-1838
1791
1862-1863
circa 1871
1845-1855
1850-1860
1835
1873
1860
1837
1837
1844
1805
1870
circa 1848
1813-1814
1874
1840
1860
1840-1851
1821
1874
1820
1869
1838
1839 (original); circa 1988 (replica)
1838
1858
1844
1850