« Zimoun :: Contents :: Ball Balancing Robots »
https://www.bayernhofmuseum.com/music.html
https://www.atlasobscura.com/places/bayernhof-music-museum
Mills DeLuxe Model Violano-Virtuoso
https://debencemusicworld.com/
https://en.wikipedia.org/wiki/DeBence_Antique_Music_World
Video from M.S. Rau Antiques.