
Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
1770
1066; 1876
2000-100 BCE
1642-1649 (original); 1883 (model)
1770
1769
1767
1766
4000-2001 BCE
1705-1737
1990-95
1668; 1924
1769
1730-1760 (original); 1931-1939 (replica)
1936
1845-1964
1901-1936; 180 BCE
1871-1900 (copy); 618-907 CE (original)
1871-1900 (copy); 618-907 CE (original)
1871-1900 (copy); 618-907 CE (original)
3000-1500
1770
1991-1786 BCE
1877 (copy); 1700-1731 (original)
1772
8500-2000 BCE
1501-1600; 1978
1800-1600
1770
1766
1766
1791-3
1791-3
1900-1933
400 BCE-100 CE; 1900-1936
100 BCE-100 CE; 1900-1936
100 BCE-100 CE; 1900-1936
30-300
2050-1750 BCE
10,000-2,000 BCE
1977; 1204-1206
2500 BCE
1801-190
1860-1715
2000-100 BCE
2000-1001 BCE
1769
1768
1713-1750
1766