
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1870
1862
1872
1830 (original); 1967 (model)
1860s
1875
1866
1801-1840 (original); 1901 (model)
circa 1868
1860
1865
1873
circa 1871
1860
1862-1863
1775-1799 (original); 1900-1907 (model)
1869
1874
1864
1668; 1924
1871
circa 1868
1870s
1610; 1923
1870s
1874
1642-1649 (original); 1883 (model)
2000-100 BCE
1867-1868
1875
1870
1866-1870
1870-1875
1864
1860
circa 1868
1872 (original); 1909 (model)
1955; 1830
1875
1870s
1861-1866
circa 1861
1862
1875
circa 1860
circa 1861
1865
1862