
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1870
1872
1865
1867-1868
1875
1870
1866-1870
1870-1875
circa 1868
circa 1871
1865
1875
1867
1867
1955; 1830
1871
1865-1866
1893-4
1875
2000-100 BCE
1870s
1872 (original); 1909 (model)
1875
1867
1934
1865
1866
1872
1865
1870-1875
1870
1870-1875
1868
1772 (original); 1919 (model)
1873
1870
1990-96
1865
1801-1840 (original); 1901 (model)
1830 (original); 1967 (model)
1867
1866
1839 (original); circa 1988 (replica)
1874
1775-1799 (original); 1900-1907 (model)
1871
1865
1870