'Dr Syntax and his wife making an experiment in pneumatics', print, London, England, 1820
1820
1820
1784
1805
1792
1813
1832
1831
1808
1831
1787
1814
1815
circa 1840
1809
1818-1822
1805
1814
1808
1778-1781
1801
1813
1814
1824-1830
1813
1814
1844
1831
1819
1827
1825
1831
1819
1835
1831
1831
1846
1962
1845
1834
1813
1808
1825
1817
1814
1805
1819
1831
1814
1805
1836