
Longcase clock by James and John Harrison
1728
1728
2000-100 BCE
1715-1725
1715-1725
circa 1715
1720
1720
1724
4000-2001 BCE
1717-1725
1717
1990-96
1725
1725
1726-1728
1725
1720
1642-1649 (original); 1883 (model)
1936
1990-95
1717
1718
1715-1725
1728
1718
1718
1718
1728
1727
30 CE
1718
1726
30 CE
2686-2613 BCE
1945-50
1722
30-200
2000-1350
20-500
20-500
2000-1000
3500-1000
100 BCE-300 CE; 1890-1920
1715
2000-1350
1972-3
2000-1000
1718
1719
circa 3000 BCE