Search Only Images Download this image Portrait of Emil Khristianovich Lenz No info available for book source. Image ID: SIL-SIL14-l003-10 Supplied Caption: Portrait of Emil Khristianovich Lenz. Engraving. Photographic print of an engraving. Original Caption: Photographic print of an engraving. Tags: physics, geology, Lenz, Emil Khristianovich (1804-1865) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?