Photo: Brian Ireley, Smithsonian
A magnified view of a photo looking through a single lens viewfinder of a Civil War-era stereoviewer, part of the photo exhibition to commemorate the 150th anniversary of the Civil War, “Experience Civil War Photography: From the Home Front to the Battlefront,” on display in the Smithsonian Castle in Washington, D.C. beginning Aug. 1, 2012.
