
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1872
1870
1862
circa 1871
1775-1799 (original); 1900-1907 (model)
1871
1830 (original); 1967 (model)
1870
2000-100 BCE
circa 1868
1870s
1934
1866-1870
1862
1863-1865
1867-1868
1862
1865
1955; 1830
1871
1867
1867
1867
1865-1866
1893-4
1863-7
1864
1872 (original); 1909 (model)
1870
1865
1866
1865
1872
1872
1867
1888
4000-2001 BCE
1865
1934
1872
1839 (original); circa 1988 (replica)
1868
1772 (original); 1919 (model)
1870
1865
1801-1840 (original); 1901 (model)
1862
1990-96