Source : Webster's Revised Unabridged Dictionary (1913)

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.

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.