
Difference Engine No. 1
circa 1832
circa 1832
1871
2019
1991-2002
1601-1700
1588
1588
1588
1588
1955
1918
100 BCE-500CE
2013
1551
1896
1580
1600
1600
1700-1725
1660
1400-1499
1640-1660
1795-1805
1588
1588
1588
1588
1588
1588
1588
1855
1845-1855
1958
1957
1960
1568-1590
1980
600-200 BCE
2003
1857
1601-1700
100 BCE-500CE