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File:Ideoscope.png

Ideoscope.png ‎(500 × 303 pixels, file size: 116 KB, MIME type: image/png)

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Description Drawing of ideoscope
Date August 31, 2008 (original drawing created in 1832)
Source downloaded from Russian WP, converted to PNG format (original drawing from Korsakov, Semen N. Apercu d`un procede nouveau d`investigation au moyen de machines a comparer les idees - St. Petersburg, 1832)
Author original drawing by Semen Korsakov
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current00:25, 1 September 2008Thumbnail for version as of 00:25, 1 September 2008500 × 303 (116 KB)Gr8white~commonswiki (talk | contribs){{Information |Description=Drawing of ideoscope |Source=downloaded from Russian WP, converted to PNG format |Date=August 31, 2008 |Author=original drawing by Semen Korsakov |Permission={{PD-old}} |other_versions= }} <!--{{ImageUpload|basic}}-->

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