Search Only Images Download this image Portrait of Peter Barlow No info available for book source. Image ID: SIL-SIL14-B2-03 Supplied Caption: Portrait of Peter Barlow. Lithograph , published by Graf & Soret. After Thales Fielding, 1793-1837, 1835. Tags: mathematics, physics, Barlow, Peter (1776-1862) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?