[mod. f. as prec. + -σκοπ-ος observer.] An optical toy for viewing distorted figures drawn on a rotating disk.
1842. Brande, Dict. Sc. (1865), I. 114. Anorthoscope, the name given by M. Plateau of Brussels, to an instrument … intended to produce a peculiar kind of anamorphoses by means of two discs rotating rapidly one before the other.
