
Napier's Bones
1690
1690
1700
1668; 1924
1610; 1923
1690-1710
1708
1690
1642-1649 (original); 1883 (model)
1695-1702
1697
1696-1700
1692
1695-1700
1702
1710
1690-1695
circa 1710
1690
1700-1710
2000-100 BCE
1690-1710
1990-96
Made late 1700s, modified 1800s
1700-1710
1690
1701-1708
1690-1700
1695-1696
1700
1700
1700-1710
1700
1690-1710
1708-1710
1700
1700
1700
1700
4000-2001 BCE
1990-95
2800 BCE
circa 3000 BCE
1695
2050-1750 BCE
1936
300 BCE; 1905-1915
1708
1960-1979
1845-1964
700 BCE; 1931