
Combined graphometer and plummet clinometer, 1663.
1663
1663
1665-1670
1660-1665
1660-1665
1660-1665
1660-1665
1636
1663
1640
1650
1650
1640
1640
1670
1670
1660
1640-1662
1660
1632-1640
1670
2000-100 BCE
1990-96
1636
1667
1666
1640
1660-1665
1650-1665
1658
1658
1650
1658
1665-1670
1650
1650
1670
1650
1660
1665-1666
1650-1660
1640
1650
1640-1660
1660
1654
1666
4000-2001 BCE
1642-1649 (original); 1883 (model)
1990-95
1668; 1924