VM

ELECTRICAL-MECHANICAL APPARATUS FOR RECORDING AND/OR PLAYING AUDIO AND ELECTRICAL SIGNALS; RADIO-PHONOGRAPH CONSOLES; MICROPHONES; AMPLIFIERS; SPEAKERS; TUNERS; AND HEADPHONES

PHONOGRAPHS; PHONOGRAPH RECORDS; RECORD CHANGERS; DUST COVERS FOR RECORD CHANGERS; PHONOGRAPH SPINDLE ADAPTERS; TAPE RECORDERS; STEREOPHONIC PORTABLE COMPONENT SYSTEMS COMPRISING RECORD CHANGER, TONE ARM, AMPLIFIER AND SPEAKER SYSTEM; AND SLIDE PROJECTOR SYNCHRONIZER FOR TAPE RECORDERS