
George III's pendulum
1762
1762
1797-1804
circa 1800
1785-1789
1780-1800
1778
1790-1819
1790-1819
1790-1819
1765-1806
1782-1793
1808
1790-1819
1785-1790
1790-1819
1790-1819
1790-1819
1790-1819
1809
1790-1819
1790-1819
circa 1810
1776-1780
1780-1820
1776-1780
1776-1780
1807
2000-100 BCE
1761
1761
1815
1776
1762
1784
1762
1798
1762
1762
1797
1762
1762
1799-1802
1793-1803
1794
1770-1800
1771-1800
1777-1785
1778
1820
1782