MECHANICAL AND OPTICAL PHOTOGRAPHIC EQUIPMENT - NAMELY, VIEWERS, SCREENS, MOVIE CAMERAS AND PROJECTORS FOR MOVIES AND SLIDES, PHOTOGRAPHIC CAMERAS; FILM EDITING EQUIPMENT - NAMELY MANUAL AND MOTORIZED PHOTOGRAPHIC FILM SPLICING AND VIEWING ASSEMBLIES FOR USE IN CONNECTION WITH EDITING MOVIES, SUPER 8 MOVIES, PRINTS AND SLIDES; OPTICAL LENSES; TRIPODS AND TRIPOD JOINTS; APPARATUS FOR CLEANING AND MAINTAINING VIDEO TAPES, RECORDERS AND DISCS - NAMELY, VIDEO TAPE AND DISC CLEANERS, VIDEO HEAD CL...