Search Only Images Download this image Portrait of Humphry Davy No info available for book source. Image ID: SIL-SIL14-D2-07 Supplied Caption: Portrait of Humphry Davy. Engraving by Conrad Cook, 19th C., published by William Mackenzie, 1860. After Thomas Lawrence, 1769-1830. Tags: chemistry, Davy, Humphry (1778-1829) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?