Definify.com
Webster 1913 Edition
Perspectograph
Per-spec′to-graph
(pẽr-spĕk′tō̍-grȧf)
, Noun.
[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.