George III's pendulum
1762
1762
1762
1769
1761
1761
1762
1762
1762
1762
1762
1762
1764
1762
1762
2000-100 BCE
1758-1769
1758-1769
1758-1769
1705-1737
1762
1761
1763
1761-1762
1761
1761
1762
1765
1762
1761
1761
1990-96
1769
1760
1761
1761
4000-2001 BCE
1758-1769
1758-1769
10000-5000 BCE
1910-130
1766
1713-1750
1760-1769
1692-1730
1940-1050
1763
1760
8500-2000 BCE
5000-500 BCE
1766