Stereograph Cards
name: label: Collection Creator
content: Pennsylvania Railroad.
setName: label: See more items in
content: Penn Station, New York, Photographs
unitdate: label: Date
content: 1904-1909
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.1048, Series 2
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: The stereograph cards document construction progress of the Pennsylvania Terminal, including the Pennsylvania Station site. The cards are arranged in numerial order order (e.g. S52) and follow a chronological order too. 

Stereographs are two nearly identical photographs or photomechanical prints, paired to produce the illusion of a single three-dimensional image, usually when viewed through a stereoscope.