Combined graphometer and plummet clinometer, 1663.
1663
1663
1668-1672 Probable
1632-1640
1680
2000-100 BCE
1636
1648-1687
1660-1665
1660-1665
1660-1665
1673
1660-1665
1663
1986 (replica); 1501-1600 (original)
1666-1680
1990-96
1640
1681
1667
1666
1675-1679
1658
1654
1666
1660-1665
4000-2001 BCE
1658
1650-1665
1660-1685
1888-185
1631-1670
1631-1670
1642
1678
1664
1631
1652
1650
1675
1649-1660
1644
1650
1677
1655
1684
1656
1672
1701-800
1680
1640-1680