stereopticon
/ˌstɛriˈɑptɪkɑn/
noun
- An early type of slide projector that could show two images at once to create a three-dimensional effect, used for entertainment or education in the 19th and early 20th centuries.
- In the 1890s, families gathered to watch travel scenes projected by a stereopticon.
- The stereopticon created an illusion of depth by blending two slightly different images.
- The museum displayed a vintage stereopticon used for magic lantern shows.
Synonyms