Educational screen & audio-visual guide (c1956-1971])

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WHATEVER "THE PICTURE" Many factors influence the instructor in determining how dark the AudioVisual Room should be: the type of equipment in use, the size of the audience, the age level, whether the picture will be in black and white or color, etc. With Levolor Audio-Visual Blinds you can always enjoy the degree of darkness you desire. Furthermore, Levolor Audio-Visual Blinds enable the in structor to change the room from maximum darkness to a soft diffused light— in a matter of seconds— all by an adjustment of the Venetian blind slats. It is, therefore, simple to understand why Levolor Venetian Blinds are specified for Audio-Visual Rooms across the nation. For full details and specifications ivrite to levolor-lorentzen, INC., 720 Monroe Street, Hoboken, N. J. Be sure to specify The Scientifically Developed Audio-Visual Blind COPYRJCHT: LEVOLOR LORENT2EN. INC.