(under subclass 18) Subject matter including a plurality of copiers or a plurality of projection paths for projecting images on photosensitive surfaces or on different areas of a single photosensitive surface.
(1) Note. This subclass includes apparatus having a beam splitter or a plurality of objective lenses for making plural projection paths from a single projection path for projecting images to photosensitive film. However, apparatus including a beam splitter for directing some light to a photocell are in subclass 68 below.
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21, for a contact printer in combination with a projection printer or copy camera.
22, for apparatus employed to copy stereoscopic pictures.
24, for copiers which simultaneously copy both sides of a document and have plural optical paths. 26, for a copier having plural optical paths for photographing on both sides of the photosensitive paper.
40+, for apparatus having plural optical paths for making a composite image by superimposing images or by focusing images adjacent each other.
