Hedley's experimental model for testing adhesion.
1812
1812
circa 1810
2000-100 BCE
1893-4
1863-7
1813
1705-1737
1811-1812
1772 (original); 1919 (model)
1775-1799 (original); 1900-1907 (model)
1813
circa 1810
1990-96
4000-2001 BCE
circa 1810
circa 1810
10000-5000 BCE
1910-130
1812
1713-1750
1810
1810
1813
1812
1692-1730
1812-1813
1940-1050
1813
1811
8500-2000 BCE
5000-500 BCE
2686-2613 BCE
1812
2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
1889-02
1810
1813
1813
1811
8500-2000 BCE
1810
1812
1812
1813
8500-2000 BCE
8500-2000 BCE