
Silver astronomical watch by Nathaniel Barrow
1660
1660
1660
2000-100 BCE
1660
1660
4000-2001 BCE
1990-95
1642-1649 (original); 1883 (model)
1610; 1923
1936
circa 3000 BCE
2000 BCE
100 BCE-300 CE; 1890-1920
30-300
2000-1350
2050-1750 BCE
10,000-2,000 BCE
1701-180
4000-30 BCE
10000-5000 BCE
1977; 1204-1206
10000-500 BCE
1972-3
2500 BCE
2000-1000
1880-120
1800- 500 BCE
1801-190
1660
2000-100 BCE
2000-1001 BCE
circa 1800 BCE
1701-180
1660
1066; 1876
15/7/27
15/7/27
1840-160
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
1660-185
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