#tone_arm__pickup__pickup_arm  mechanical device consisting of a light balanced arm that carries the cartridge
  supertype:  #mechanical_device  mechanism consisting of a device that works on mechanical principles
  part of:  #record_player__phonograph  machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically
     part of:  #audio_system__audiosystem__sound_system__soundsystem  a system of electronic equipment for recording or reproducing sound

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