
George III's weighted cylinder
1762
1762
1762
1761
1762
1762
1761
1762
1762
1762
1762
1762
1790
1765
1761
1775-1795
1762
1761
1761
1761-1762
1789-1795
1745-1753
1762
1761
1756-1760
1762
1762
1761
1775-1800
1762
1762
1725-1795
1775-1800
1762
1762
1734-1795
1762
1762
1787-1800
1761
1761
1761
1761
1762
1762
1761
1762
1762