[mod. f. Gr. ἀφεγγή-ς without light (f. ἀ priv. + φέγγ-ος light) + -SCOPE.] A kind of magic lantern for exhibiting opaque objects, such as coins, photographs, etc.
1869. Eng. Mech., 12 Nov., 218/2. Can any of our readers give me any information on the construction and mode of working the aphengescope?
