Perspectograph definitions

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Perspectograph

Perspectograph logo #21002• (n.) 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.
Found on http://thinkexist.com/dictionary/meaning/perspectograph/

Perspectograph

Perspectograph logo #20972Per·spec'to·graph noun [ Latin perspectus (past participle 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 o...
Found on http://www.encyclo.co.uk/webster/P/62
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