
Napier's Bones
1690
1690
1690-1700
1681
1685-1695
1697
1680
1680
1680
1692
1680-1690
1695-1700
1690-1695
1690
1685
1690
1696-1700
2000-100 BCE
1680
1690
1695-1696
1700
1700
1700
1700
1700
1680-1685
1700
1680-1700
1685
1700
1700
1685-1695
Made late 1700s, modified 1800s
4000-2001 BCE
1668; 1924
1990-95
1610; 1923
1642-1649 (original); 1883 (model)
1936
circa 3000 BCE
1700
100 BCE-300 CE; 1890-1920
1684
2000-1350
1972-3
2000-1000
1680
1690-1699
1693
circa 1800 BCE