
'Dr Syntax and his wife making an experiment in pneumatics', print, London, England, 1820
1820
1820
1893-4
1863-7
1821
2000-100 BCE
1821
1821
1772 (original); 1919 (model)
1819
1990-96
1775-1799 (original); 1900-1907 (model)
1822
1705-1737
1820
1820
1821
1821
4000-2001 BCE
1820
1889-02
1822
1850-1899
1819
1820
1774; 1923
1819
1819
1819
1642-1649 (original); 1883 (model)
2000-100 BCE
1818
1883-01
30
1818
1-79 CE; before 1914
1819
1991-1783 BCE
5000-500 BCE
1894-05
1867-04
1864-05
1864-04
1864-10
1870-10
1867-04
1865-05
2000 BCE
1991-1786 BCE
circa 1820
1819