ELECTRO-MECHANICAL DICTATING SYSTEM, COMPRISING RECORDER-TRANSCRIBER PLAYBACK UNIT, TELEPHONE-TYPE DICTATING STATION UNIT, TRANSCRIBER'S REMOTE CONTROL STATION UNIT, PLAYBACK CONTROL SWITCH, AND EARPHONE HEADSET FOR TRANSCRIPTION OPERATOR

ELECTRO-MECHANICAL DICTATING SYSTEM,COMPRISING-RECORDER-TRANSCRIBER PLAYBACK UNIT, TELEPHONE-TYPE DICTATING STATION UNIT, TRANSCRIBER'S REMOTE CONTROL STATION UNIT, PLAYBACK CONTROL SWITCH, AND EARPHONE HEADSET FOR TRANSCRIPTION OPERATOR