Alethoscope

An alethoscope (Greek true+view) is an instrument for viewing pictures with a lens to enlarge and show them with natural relations and proportions. The alethoscope was patented by Carlo Ponti in 1861. It was used to view photographs that were colored, perforated and mounted on a curved frame. The alethoscope showed day-and-night effects whether vi...
Found on http://en.wikipedia.org/wiki/Alethoscope

Alethoscope

• (n.) An instrument for viewing pictures by means of a lens, so as to present them in their natural proportions and relations.
Found on http://thinkexist.com/dictionary/meaning/alethoscope/

Alethoscope

A·leth'o·scope noun [ Greek ... true + ... to view.] An instrument for viewing pictures by means of a lens, so as to present them in their natural proportions and relations.
Found on http://www.encyclo.co.uk/webster/A/53

alethoscope

alethoscope An instrument for viewing pictures by means of a lens, so as to give the objects a natural or realistic appearance.
Found on http://www.wordinfo.info/words/index/info/view_unit/73/
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