The Stereoscope is a special device used to view photos in 3-D. It was a popular form of entertainment in the U.S. from the 1840s to the 1930s, and also used as a teaching tool in classrooms for learning geography, natural history, world events and a wide variety of topics.
The invention was based on English scientist Charles Wheatstone’s research on
binocular vision in the 1830s, and predates early photography. Wheatstone
experimented with
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| Holmes Stereoscope |
sketched drawings, but as knowledge of photography developed in the 1840s, the
technique was applied to photos. The images were called stereographs (or stereograms) in the beginning, and later known as stereoviews.
Here is how the stereoscope works. Two identical photos, arranged side by side on card stock, are viewed through the stereoscope as two
and half inches apart (or the distance between the eyes) through the viewer's
lense/mirror hooded assembly (on left in picture).
The eye sees a 3-D
image.
It was not until the Great Exhibition in 1851 that stereoscopes and stereoviews became known to the general
public. Queen Victoria in England was fascinated with the invention, and influenced its mass production. One company, the London
Stereoscopic Company, sold half a million stereoviews between 1854 and 1856.
In the U.S., author and physician Oliver Wendell Holmes invented a
hand-held stereoscope viewer in 1861 that was more economical. With further improvements
by Joseph L. Bates (a Boston merchant), the Holmes viewer was soon a common item in Victorian homes all
across America.
The stereoscope lost its appeal in the 1930s with the advent
of silent film and radio. In the 1950s, it made a comeback
with the ViewMaster, a type of stereoscope for children that can still be purchased in stores. And of course . . .
there are 3-D movies and television today.
Interesting information for collectors:
http://taggart.glg.msu.edu/stereo/holmes.htm (how to make modern stereoviews)
http://www.stereoworld.org/index.php (National Stereoscope Association; publications, worldwide organizations, and information on workshops and conventions)
Other Sources:
http://cnx.org/content/m13784/latest/
http://www.stereoviewmadness.com/stereoviewmadness.com/The_Stereoview.html
http://home.centurytel.net/s3dcor/index.html
http://yellowstonestereoviews.com/publishers/neweducational.html
http://yellowstonestereoviews.com/publishers/cosmopolitan.html
http://xroads.virginia.edu/~MA03/staples/stereo/stereographs.html
Copyright 2013 © Sharon Himsl; Gravseth family archive
Sharon M. Himsl
Writer/Author. Blogging since 2011.
Published with Evernight Teen:
~~The Shells of Mersing