GLASS AND FILM CONTACT SCREENS AND RETICLES FOR PHOTO-LITHO, PHOTO-ENGRAVING, AND GRAVURE, AND FOR THE REPRODUCTION OF PHOTOGRAPHS; PHOTOGRAPHIC CAMERAS AND FILTERS; APPARATUS FOR DIVIDING AND GRADUATING; APPARATUS AND DEVICES FOR THE REPRODUCTION OF IMAGES IN INDUSTRY-NAMELY, CAMERAS, REPROGRAPHING APPARATUS, PROJECTORS, PRINTING FRAMES; BROMOGRAPHS; ENLARGERS; SCANNERS; COLOR SELECTORS AND PHOTO-ELECTRIC TIMERS