Search Only Images Download this image Portrait of Ptolemy No info available for book source. Image ID: SIL-SIL14-p006-09 Supplied Caption: Portrait of Ptolemy. Engraving by Theodore de Bry, 1528-1598, 1650.. Tags: mathematics, Astronomy, Ptolemy (ca. 100-ca. 170) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?