Combined graphometer and plummet clinometer, 1663.
1663
1663
1668-1672 Probable
1680
2000-100 BCE
1697
1696-1700
1675-1700
1660-1665
1660-1665
1660-1665
1685-1695
1673
1660-1665
1663
1680-1700
1986 (replica); 1501-1600 (original)
1666-1680
1990-96
1681
1700
1657-1689
Made late 1700s, modified 1800s
1667
1666
1675-1679
1658
1654
1666
1660-1665
1690
4000-2001 BCE
1685-1695
1658
1675-1700
1660-1685
1888-185
1651-1700
1651-1700
1651-1700
1651-1700
1651-1700
1651-1700
1651-1700
1660-1700
1678
1664
1652
1675
1688
1671-1700