Graphoscope

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Graphoscope \Graph"o*scope\, n. [Gr. gra`fein to write +
     -scope.]
     1. An optical instrument for magnifying engravings,
        photographs, etc., usually having one large lens and two
        smaller ones.
        [1913 Webster]


  
     2. An optical device for showing (or photographing) an image
        when projected upon the atmosphere as a screen.
        [Webster 1913 Suppl.]