Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Portrait of Johann Franz Encke Download this image Image ID: SIL-SIL14-E1-13 Supplied Caption: Portrait of Johann Franz Encke. Relief halftone. "Nach S. 192." Original Caption: "Nach S. 192." Tag(s): Astronomy, Encke, Johann Franz, 1791-1865 Collection(s): Scientific Identity Topic(s): Astronomy Download: Image No Copyright - United States Request copy of image How can I use this image?