(under the class definition) Device comprising a means to display an image borne by a light-transmitting film for an observer, the means comprising a means for illuminating the film, said film being located intermediate the observer and the illuminating means so that the observer looks toward the illuminating means when viewing the image.
SEE OR SEARCH THIS CLASS, SUBCLASS:
707, for a mount for a segment of photos:graphic film.
SEE OR SEARCH CLASS
352, Optics: Motion Pictures, appropriate subclasses for the presentation of a series of pictures at such a rate as to create an illusion of motion due to the persistency of vision of the observer, and especially
129, for motion-picture film strip viewer.
353, Optics: Image Projectors, appropriate subclasses for viewers with image projection, and especially
25+, for microfilm viewers. 359, Optics: Systems (Including Communication) and Elements,
616+, for kaleidoscopes, subclasses 466+ for stereoscopic viewers, and subclasses 804+ for viewers with specific optics or relatively movable lens and transparency for viewing only a selected portion of the transparency.
