
Combined graphometer and plummet clinometer, 1663.
1663
1663
1665-1670
1660-1665
1660-1665
1660-1665
1660-1665
1663
1650
1650
1670
1670
1660
1660
1670
2000-100 BCE
1990-96
1667
1666
1660-1665
1650-1665
1658
1658
1650
1658
1665-1670
1650
1650
1670
1650
1660
1665-1666
1650-1660
1650
1660
1654
1666
4000-2001 BCE
1642-1649 (original); 1883 (model)
1990-95
1668; 1924
1610; 1923
1666-1667
300 BCE; 1905-1915
1651-1658
1658
1658
1936
1910-130
circa 2000 BCE
700-100 BCE; 1930-1950