Battle-field of Gettysburg The effect of musketry and shell on the trees of Culp's Hill, on ground occupied by Rebels, in front of Union breast-works.

During the Civil War, photographers produced thousands of stereoviews. Stereographs were popular during American Civil War. A single glass plate negative capture both images using a Stereo camera. Prints from these negatives were intended to be looked at with a special viewer called a stereoscope, which created a three-dimensional ("3-D") image. This collection includes glass stereograph negatives, as well as stereograph card prints.