
Napier's Bones
1690
1690
1681
1671-1700
1675-1679
1642-1649 (original); 1883 (model)
1668; 1924
1680
1654
1990-96
1700
Made late 1700s, modified 1800s
1610; 1923
1663
1673
1675-1700
1665-1670
2000-100 BCE
1675-1700
1685-1695
1990-95
1665-1675
1685-1695
1666-1680
1668-1672 Probable
1663
1697
1667
1658
1580-1588; 1930
1696-1700
1658
1680-1700
4000-2001 BCE
300 BCE; 1905-1915
1666-1667
1960-1979
2050-1750 BCE
circa 1700
1666-1695
1936
1671-1700
1683
2000-1001 BCE
1660-1665
1666
6000-5000BCE
100-1 BCE; 1501-1600; 1914
1600-1500 BCE (original); 1900-1914 (copy)
1672
1501-1600; 1972