9 computers, central processing units, electronic circuits, magnetic disks and magnetic tapes containing computer operating programs, computer peripherals, photographic apparatus and instruments, namely, cameras and slide projectors, cinematographic apparatus and instruments, namely, projectors, cinematographic cameras and editing machines, optical apparatus and instruments, namely, telescopes and microscopes, spectacles, electrical communication apparatus and instruments, namely, telephone sets, phototelegraphs, television receivers, television transmitters, portable radiocommunication devices, juke boxes, tape recorders, record players, sound recording devices, videocameras, videodisc players and videorecorders, phonograph records featuring subject matter relating to education, music, sports and entertainment, metronomes, electric flat irons, electric hair curlers, electric floor wax-polishing machines, vacuum cleaners, electric buzzers, motion picture films featuring subject matter relating to education, music, sports and entertainment, photographic slide transparencies, pre-recorded video discs and video tapes featuring subject matter relating to education, music, sports and entertainment