stereopticon
nounA magic lantern, especially one with two projectors arranged so as to produce dissolving views.
nounAn improved form of magic lantern, consisting essentially of two complete lanterns matched and connected.
nounAn 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.
nounA