
Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
1770
2000-100 BCE
1610; 1923
1770
1769
1767
1767
1770
1990-96
1766
4000-2001 BCE
1769
1705-1737
1990-95
1767
1977; 1204-1206
1730-1760 (original); 1931-1939 (replica)
1642-1649 (original); 1883 (model)
1936
2050-1750 BCE
1668; 1924
15/7/27
1770
15/7/27
1840-160
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
9000-2700 BCE
1965-195
circa 2000 BCE
1900-1943
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE