
Watch with faceted oval rock crystal case and protective outer case by John Ramsay
1625
1625
1623
1630
1630
1630
1630
1625
1625
1630
1630
1630
1625
1630
2000-100 BCE
1990-96
1630
1625
1622-1628
1630
1625
4000-2001 BCE
1990-95
1610; 1923
1634 (print); 1581-1587 (observatory)
300 BCE; 1905-1915
1936
1910-130
circa 2000 BCE
700-100 BCE; 1930-1950
30
1-79 CE; before 1914
circa 1700-1600 BCE
2000-1350
2000-1350
2000-1350
2000-1350
1850-1350
10,000-2,000 BCE
1616
1615-1630
1913; circa 900 CE
3000-1500
circa 1700-1600 BCE
2000-1350
2050-1750 BCE
1701-180
1972-3
1625
2500 BCE
2000-1000