Photonephograph definitions

Photonephograph

• (n.) A nephoscope registering by photography, commonly consisting of a pair of cameras used simultaneously.
Found on http://thinkexist.com/dictionary/meaning/photonephograph/

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Photonephograph

Pho`to·neph'o·graph (-nĕf'o*grȧf) noun [ Photo- + Greek ne`fos a cloud + -graph .] (Meteor.) A nephoscope registering by photography, commonly consisting of a pair of cameras used simultaneously.
Found on http://www.encyclo.co.uk/webster/P/77

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