Stereograph / Stereoview Card of a Risqu" French Model Posing 749 ~ French Model X278 ~ after 1892
Stereographs (also know as stereograms, stereoviews and stereocards) present three-dimensional (3D) views of their subjects, enabling armchair tourists to have a frac12;you are therefrac12; experience. The term frac12;stereofrac12; is derived from the Greek word for frac12;solid,frac12; so a frac12;stereographfrac12; is a picture that depicts its subject so that it appears solid. Stereographs feature two photographs or printed images positioned side by side, one for the left eye and one for the right. When a viewer uses a stereoscope, a device for viewing stereographs, these two flat images are combined into a single image that gives the illusion of depth. Stereoscopes work the way that vision works. Since our two eyes are positioned about two inches apart, we see everything from two slightly different angles, which our brain then processes into a single picture that has spatial depth and dimension. In 1838, Charles Wheatstone published a paper that provided the scientific basis for stereography, showing that the brain unifies the slightly different two-dimensional images from each eye into a single object of three dimensions. Wheatstonefrac12;s early stereographs were drawings rather than photographs. Paper stereographs mounted on flat cards were generally produced between 1857 and 1890, while those mounted on a frac12;warpedfrac12; gray card were generally produced after 1892.
Cardboard size 7 x 3 frac12;frac12; picture size 3frac12; x 3frac12; Please visit Timber Hills Antique Shop on Ruby Lane for different and unique items. Items added on a regular basis!!!
Item ID: FRMODELN6
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