
Coin checking equal-arm balance
1653
1653
1700-1710
1779
1800-1810
1680-1699
1810
1820
1626
1750-1760
1700-1799
1790
1763-1779
1775
1700-1725
1800-1899
1735-1779
1800-1810
1780-1782
1774
1763-1779
1800-1812
1770
1770-1780
1763
1768-1782
1600-1630
1611
1800-1805
1780-1799
1620-1640
1800-1810
1693-1702
1750
1600-1644
1650-1655
1693-1731
1763-1781
1727-1745
1841-1865
1768-1777
1783-1797
1770
1800-1899
1817