'Dr Syntax and his wife making an experiment in pneumatics', print, London, England, 1820
1820
1820
2000-100 BCE
1893-4
1863-7
1990-96
1822
1821
1820
1821
1705-1737
1772 (original); 1919 (model)
1819
1821
1821
4000-2001 BCE
1775-1799 (original); 1900-1907 (model)
1819
1819
1821
1821
1819
1820
1819
1820
1821
1819
circa 1820
1822
1822
1822
1821
30 CE
1818
1820
30 CE
2686-2613 BCE
1888-185
1945-50
1370-1350 BCE; 1931
1931; 250 BCE
1820
1370-1350 BCE; 1931
1821
1820
2000-1000
100 BCE-300 CE; 1890-1920
1972-3
2500 BCE
1880-120
1860-1820