George III's pendulum
1762
1762
1748-1763
1762
1755
1735-1754.
1745-1755
1735-1752
1761
1745-1755
1761
1757
1762
1762
1762
1762
1752
1752
1762
1752
1762
1755
1745-1755
1750
1735-1753
1729-1753
1720
1764
1762
1762
1755
circa 1750
1742
1740-1753
1708
1725-1755
2000-100 BCE
1750-1760
1705-1737
1762
before 1753
1717-1725
1752
1725
1761
1712-1713
1745-1755
1752
1763
1752
1761-1762