
Difference Engine No. 1
circa 1832
circa 1832
1871
1601-1700
100 BCE-500CE
1588
1588
1588
1588
1955
1918
2013
1551
1896
1580
1600
1600
1700-1725
1660
1400-1499
1640-1660
1795-1805
2019
1588
1588
1588
1588
1588
1588
1588
1855
1845-1855
1958
1991-2002
1862
600-30 BCE
1601-1630
1588
199 BCE-500 CE
1868
1750-1800
1500 BCE
1890
1904
1809
1896
1837-1840
1837-1840
1801-1900