Search Only Images Download this image Portrait of Perre Louis Dulong No info available for book source. Image ID: SIL-SIL14-D5-06 Supplied Caption: Portrait of Perre Louis Dulong. Engraving by Ambroise Tardieu, 1788-1841. After Ambroise Tardieu, 1788-1841, 1825. Tags: chemistry, physics, Dulong, Perre Louis (1785-1838) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?