A device that allows the viewing of illustrations or advertising through the two sides of a transparent mirror (Machine-translation by Google Translate, not legally binding)

摘要

A device that allows the viewing of illustrations or advertising through the two sides of a transparent mirror, characterized in that between the two internal surfaces azogadas of other so many crystals devoid of the layer of protective varnish of those, a sheet of paper is placed cellophane or other analogous material, where a photograph, illustration or text is stamped in advance, so that when adjusting said crystals between them, fixing them with the appropriate rim, a double mirror results that when seen in the light, it is observed that through it the figures of the leaf attached inside it. (Machine-translation by Google Translate, not legally binding)