
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1879
1830 (original); 1967 (model)
1885
1875
1889
1880
1888
before 1889
1886
1875
1884
1877
1955; 1830
1884
1875
1879
1876
1878
1872-1880
1893-4
1934
1879
1880
2000-100 BCE
1875-1885
1875
1886
1884
1882
circa 1885
1888
1879
1889
before 1889
1872
before 1889
1876
1872 (original); 1909 (model)
1880-1889
1872
1872
1880
1873
1889
1839 (original); circa 1988 (replica)
1889
1874
1873
1872