Preferred label
Stereographs
Alternative labels
Stereograms
Stereoscopic views
Stereoviews
Three-dimensional photographs
Viewmaster cards
Narrower terms
Anaglyphs
Tissue stereographs
Related terms
Card photographs
Lenticular photographs
Photographs
Photomechanical prints
Stereograph industry
Scope note
Two nearly identical photographs or photomechanical prints, paired to produce the illusion of a single three-dimensional image; usually viewed with a stereoscope. daguerreotypes, glass negatives, or other processes. Card mounts commonly 3.5 x 7 in. (9 x 18 cm.) up to 5 x 7 in. (12 x 18 cm.). Popular in the United States 1859-1920s.
Editorial note
Use even if only half of the stereograph is present. As desired, also index under the type of process, such as DAGUERREOTYPES.
Change note
Formerly TGMI term & TGMII term.