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Last update: 25 Jan 2011:
Stereographs
(also called stereo cards, stereo- views, or stereotypes) are 3-D images
that were introduced in the mid-nineteenth century solely for entertainment
purposes. These images, along with the introduction of a stereoscope viewer
invented by Sir Charles Brewster, were presented to the public at the
Crystal Palace exhibition of 1851. The earliest stereographs were either
produced by one camera taking two nearly identical pictures about two inches
apart, or by two cameras placed side by side. The photographs were developed
on separate plates. Soon the process was perfected where both images could
not only be taken with a single camera but on a single plate as well.
These images
can be viewed in 3-D if you have "3-D glasses."
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