Documentary
40 minutos
Director: Hans Fritz Wilhelm
Reparto: Rolf Gert,Alfred Stratmann,
Fecha de Estreno: 1932-08-18
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.
Rolf Gert
Alfred Stratmann
