System to permit the vision of cromatic funds through projection screens. (Machine-translation by Google Translate, not legally binding)

摘要

System for allowing the viewing of chromatic backgrounds through projection screens, formed by surfaces provided with a plurality of small drafts, optionally arranged in alignments to the three-bolillo, said system being characterized by having behind said projection screen at least one sheet or plate comprising chromatic backgrounds and behind said said sheets or a light source that projects its beams on the back plane of said sheet and said chromatic backgrounds that are thus illuminated by transparency being visible through the screen perforated projection. (Machine-translation by Google Translate, not legally binding)