Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1801
1801-1830
circa 1832
1870
1872
1879
1853-1857
1610; 1923
circa 1871
1815-1825
1847-1848
1846
1862
1791
1834-1836
1853-1857
1862
1850-1860
1875
1845-1855
1873
1849
1844
1860
1871
1829
1800-1820
1842
1821
1805
1820
circa 1861
1874
1829
1840-1851
1801-1838
1869
1829
1860
1874
1839 (original); circa 1988 (replica)
circa 1800
1775-1799 (original); 1900-1907 (model)
1840
1870
circa 1848
1850
1870