XJF308091 Chemical Lectures, c.1809 (engraving) (b/w photo) by Rowlandson, Thomas (1756-1827); Private Collection; (add.info.: The inscription \'Surrey Insitution\' on the door frame and the title \'Accum\'s Lectures\' on the book in the pocket of the man sitting in the left hand foreground suggests that this image depicts Friedrich Accum (1769-1838), the German chemist;); English, out of copyright.