
Islamic horary quadrant, 1727-1728
1727-1728
1727-1728
2000-100 BCE
1739
1730
1725
1725
1730
4000-2001 BCE
1990-96
1705-1737
1725
1740
1728
1726-1728
1990-95
1610; 1923
1642-1649 (original); 1883 (model)
1960-1979
1668; 1924
circa 3000 BCE
1737
1728
2000 BCE
1736
1736
1739
1734
1726
1732
1734
1740
1729
1728
1736
1732
1740
1731
1736-1740
1740
1734
1676; 1840-1865
1736
1732-1734
1731-1740
1734
1736
1730
1877 (copy); 1700-1731 (original)
2000-500 BCE
2000-500 BCE