
Marine chronometer by Brockbanks
1802
1802
1802
1802
2000-100 BCE
1772 (original); 1919 (model)
1990-96
1775-1799 (original); 1900-1907 (model)
4000-2001 BCE
1705-1737
1803 - 1865
1889-02
1774; 1923
1642-1649 (original); 1883 (model)
2000-100 BCE
1883-01
1803
1803
30
1-79 CE; before 1914
1991-1783 BCE
5000-500 BCE
1991-1786 BCE
1802
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)
1803
1913; circa 900 CE
1798 (original); 1977 (model)
1898-01
1-79 CE; before 1914
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
1370-1350 BCE; 1931
30-200
1931; 250 BCE
2000-1350
20-500
1802
1370-1350 BCE; 1931
2000-1350
2000-1350
20-500
1940-1050
2000-1000
3500-1000