Search Only Images Download this image Portrait of Donald McKay No info available for book source. Image ID: SIL-SIL14-m002-18 Supplied Caption: Portrait of Donald McKay. Engraving by William G. Jackman, fl. 1841-1860, published by D. Appleton & Co. Tags: Engineering, McKay, Donald (1810-1880) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?