Earphones; Loudspeakers; Megaphones; Apparatus for changing record player needles; Burglar alarms; Cabinets for loudspeakers; Electroacoustic transducers; Head cleaning tapes for video recorders; Horns for loudspeakers; Juke boxes, musical; Needles for record players; Phonograph records featuring music; Phonographic record cleaning kits comprised primarily of replacement stylus needles and also including cleaning solution and brushes; Projection screens; Record players; Slide projectors; Spee...