Hypertext Webster Gateway: "stereopticon"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Stereopticon \Ste`re*op"ti*con\, n. [NL. See {Stereo-}, and
{Optic}.]
An instrument, consisting essentially of a magic lantern in
which photographic pictures are used, by which the image of a
landscape, or any object, may be thrown upon a screen in such
a manner as to seem to stand out in relief, so as to form a
striking and accurate representation of the object itself;
also, a pair of magic lanterns for producing the effect of
dissolving views.
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