George III's pendulum
1762
1762
1748-1763
1762
1769
1755
1745-1755
1761
1745-1755
1761
1757
1762
1762
1762
1762
1752
1752
1762
1752
1762
1755
1745-1755
1750
1764
1762
1762
1770
1755
circa 1750
1750-1766
1742
1740-1753
1750-1770
2000-100 BCE
1750-1760
1758-1769
1758-1769
1760-1770
1758-1769
1705-1737
1762
before 1753
1752
1761
1745-1755
1752
1763
1752
1761-1762
1751
1752