Scope and content Letters to and from Guyton de Morveau, mainly on scientific subjects, together with contemporary portrait prints of two of the correspondents (Berthollet and Gay-Lussac) and later typescript notes and correspondence concerning this collection by William Smeaton and others. Correspondents include Claude-Louis Berthollet, Jean-Claude de la Métherie, Barthélemy Faujas de Saint-Fond; Antoine-François, comte de Fourcroy; Thomas Beddoes, Joseph Louis Gay-Lussac, Richard Kirwan, Pierre Joseph...