
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1862
1839 (original); circa 1988 (replica)
1870
1885
1875
1872
1870
1874
1869
1874
1889
1066; 1876
1888
1878-1879
1872
1875-1890
1861
1861
1872-1880
1934
1879
1870-1890
1861-1866
1886
1875
1877
1882
circa 1885
1888
circa 1868
1890
circa 1861
1890
1870-1880
1867
1867
1879
1876
1878
1865-1866
1875
1862
1884
1870
1865
1875
1884
1955; 1830