I found some pics of his device on a german site: https://heureka-stories.de/2-uncategorised/105-der-walkman-die-ganze-geschichte.html https://heureka-stories.d

I found some pics of his device on a german site: https://heureka-stories.de/2-uncategorised/105-der-walkman-die-ganze-geschichte.html https://heureka-stories.de/2-uncategorised/105-der-walkman-d...