
Marine Timekeeper known as 'H5' by John Harrison and Son 1770
1770
1770
1769 - 1849
1770
1769
1767
1767
2000-100 BCE
1770
1772 (original); 1919 (model)
1990-96
1771
1769
1765
1705-1737
1772
1766
1771
4000-2001 BCE
1772 - 1864
1765
1768
1850-1899
1765
1769
1642-1649 (original); 1883 (model)
1770
2000-100 BCE
1768-1769
1767
30
1769
1-79 CE; before 1914
1801-1700
1991-1783 BCE
5000-500 BCE
2000 BCE
1991-1786 BCE
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)
1913; circa 900 CE
1730-1760 (original); 1931-1939 (replica)
1766-1770
1-79 CE; before 1914
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350