
Hedley's experimental model for testing adhesion.
1812
1812
1820
1863-7
2000-100 BCE
1813
1815
1815
1893-4
1821
1812
1812
1814
1816
1815
1811-1812
1772 (original); 1919 (model)
1819
1775-1799 (original); 1900-1907 (model)
1815
1822
1705-1737
1820
1823
1815
1812
1820
1821
1821
1821
1814
1813
1823
1821
1990-96
4000-2001 BCE
1813-1814
1936
300 BCE; 1905-1915
1819
1814
1813-1822
1774; 1923
1817-1823
1817-1823
1817-1823
1817-1823
1819
1819
1819
1642-1649 (original); 1883 (model)