Search Only Images Download this image Portrait of Johann Georg Sulzer No info available for book source. Image ID: SIL-SIL14-s007-01 Supplied Caption: Portrait of Johann Georg Sulzer. Etching by Daniel Berger, 1744-1824. After Anton Graff, 1736-1813, 1774. Tags: physics, Sulzer, Johann Georg (1720-1779) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?