Unsichtbare Brücken
Unsichtbare Brücken
Watch unsichtbare brücken 123Movies. In the broadcasting center of a radio station, visitors are informed in a kind of educational course about how "electric waves" are generated and how they are converted into sounds that can then be heard on the radio.
- Genre: Documentary
- Country: Germany
- Director: Hans Fritz Wilhelm
- Cast: Rolf Gert, Alfred Stratmann,
