anamorphoscope

from The Collaborative International Dictionary of English v.0.48
Anamorphoscope \An`a*mor"pho*scope\, n. [Anamorphosis + -scope.]
   An instrument for restoring a picture or image distorted by
   anamorphosis to its normal proportions. It usually consists
   of a cylindrical mirror.
   [Webster 1913 Suppl.]
    

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