George III's pendulum
1762
1762
1748-1763
1762
1769
1725-1755
1755
1758-1773
1735-1754.
1758-1769
1745-1755
1750-1760
1735-1752
2000-100 BCE
1761
1745-1755
1761
1757
1762
1758-1769
1762
1762
1762
1752
1752
1762
1752
1762
1755
1745-1755
1750
1758-1769
1735-1753
1729-1753
1720
1764
1762
1762
1760-1770
1770
1755
circa 1750
1750-1766
1742
1740-1753
1720-1770
1750-1770
1761
1705-1737
1762
before 1753