Interior view of optician's store from the rear. Foreground shows a table on which a variety of stereoviewers and stereographs are displayed. Two customers view stereographs at the table while others are assisted by store employees at counters in the front of the store. The proprietor John McAllister Jr. stands at the far right.
Reproduced in Kenneth Finkel's Nineteenth-century Photography in Philadelphia: 250 Historic Prints from The Library Company of Philadelphia (New York: Dover Publications, Inc., 1980), plate 112.