Word Study
perspectograph
CIDE DICTIONARY
perspectograph, n. [L. perspectus (p. p. of perspicere to look through) + -graph.].
An instrument for obtaining, and transferring to a picture, the points and outlines of objects, so as to represent them in their proper geometrical relations as viewed from some one point. [1913 Webster]
For further exploring for "perspectograph" in Webster Dictionary Online
