
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
circa 1832
2019
1991-2002
1955
1918
1601-1700
100 BCE-500CE
1588
1588
1588
1588
1855
1845-1855
1551
1896
1580
1600
1600
1700-1725
1660
1400-1499
1640-1660
1795-1805
1588
1588
1588
1588
1588
1588
1588
2013
1000-400 BCE
2019
1750-1800
1862
600-30 BCE
1601-1630
1915-1925
1894
2000
1816-1817
1801-1854
1792
1795
2013