Film
Unsichtbare Brücken
1932Directed by Hans Fritz Wilhelm
Where to watch
No streaming, free, rental, or purchase options are currently listed in the United States.
- Released
- Runtime
- 40m
About Unsichtbare Brücken
- Documentary
Synopsis
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.
- Director
- Hans Fritz Wilhelm