Stereoview, back Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s01456 (digital file from original photo, front) LC-DIG-stereo-2s01456 (digital file from original photo, back)
Amateur Photographic Exchange Club label affixed to verso gives title, photographer, date, number (8), and nscriptions: lenses 9 1/2 feet apart ; taken Nov. 17, 1861, printed March 8, 1862.
