Search Only Images Download this image Portrait of John Theophilus Desaguliers No info available for book source. Image ID: SIL-SIL14-D3-02 Supplied Caption: Portrait of John Theophilus Desaguliers. Engraving. After Hans Hysing, 1678-1752, 1725. Tags: physics, Desaguliers, John Theophilus (1683-1744) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?