
Silver astronomical watch by Nathaniel Barrow
1660
1660
1660
2000-100 BCE
1990-96
1658
1658
1658
1660
1660
4000-2001 BCE
1610; 1923
1642-1649 (original); 1883 (model)
1936
2050-1750 BCE
1990-95
300 BCE; 1905-1915
1845-1964
1701-1500
2000-100 BCE
1658
1658
circa 3000 BCE
2000 BCE
1657
1657
1658
2000-500 BCE
2000-500 BCE
2000-500 BCE
1991-1786 BCE
1991-1786 BCE
2000-500 BCE
1501-1600; 1978
1800-1600
15/7/27
1840-160
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE