Search Only Images Download this image Portrait of William Thomson, Baron Kelvin No info available for book source. Image ID: SIL-SIL14-t002-03 Supplied Caption: Portrait of William Thomson, Baron Kelvin. Relief halftone. Autograph signature? Original Caption: Autograph signature? Tags: physics, Kelvin, William Thomson, Baron (1824-1907) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?