It looks like a “curiosity cabinet” of analogue electronic technologies. The “Thüringer Museum für Elektrotechnik Erfurt e.V” is collecting historic electronic equipment of the German Democratic Republic.
The image story, made by Mario Gaetano Brucculeri allows a compact tour to analogue technics of the past. E.g. inspiriting forms like high-frequency and high voltage insulators or electronic instruments.
www.elektromuseum.de