
Difference Engine No. 1
circa 1832
circa 1832
1775-1799 (original); 1900-1907 (model)
1832
1893-4
1863-7
2000-100 BCE
1833
1955; 1830
1990-96
1833
1832
1772 (original); 1919 (model)
1705-1737
4000-2001 BCE
1870-1877
1830 (original); 1967 (model)
1832
1668; 1924
1990-95
1642-1649 (original); 1883 (model)
1610; 1923
2050-1750 BCE
1960-1979
700 BCE; 1931
6000-5000BCE
1845-1964
1600-1500 BCE (original); 1900-1914 (copy)
1979-80
1833
30 CE
30 CE
2686-2613 BCE
1833
1832
1888-185
1945-50
1833
1833
1833
1833
20-400
1833
1-79 CE; before 1914
1370-1350 BCE; 1931
30-200
1931; 250 BCE
2000-1350
20-500
1370-1350 BCE; 1931
20-500