
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1870
1872
circa 1871
1870
1870
1873
1865
1955; 1830
1865
1867
1867
1865-1866
1865
1866
circa 1868
1610; 1923
1934
1872 (original); 1909 (model)
1870
1867-1868
1867
1893-4
2000-100 BCE
1870s
1871
1866-1870
1867
1872
1873
1865
1868
1772 (original); 1919 (model)
1870
1775-1799 (original); 1900-1907 (model)
1839 (original); circa 1988 (replica)
1865
1930 (replica); 1834 (original)
1872
1869
1873
1705-1737
1865-1866
1866-1870
1888
1934
1870-1877
1866
1801-1840 (original); 1901 (model)