A new illustrated children's book, which may be in one or several sheets or sheets, characterized essentially by the fact that their engravings, made according to methods of hyperesthesescopy, have been foreseen so that in the relief view thereof, it is maintained the plane of the sheet or sheet as a foreground, that is to say as such sheet or sheet itself, and the vision apparently takes place through this first plane which will appear to be a transparent crystal, the rest of the illustration being seen in relief. depth through it. (Machine-translation by Google Translate, not legally binding)
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