Graphoscope
Graph"o*scope\, n. [Gr. gra`fein to write + -scope.] An optical instrument for magnifying engravings, photographs, etc., usually having one large lens and two smaller ones.Graphoscope
Graph"o*scope\, n. [Gr. gra`fein to write + -scope.] An optical device for showing (or photographing) an image when projected upon the atmosphere as a screen.