Movie Details
Original Language:German
Production Companies:Commerz-Film AG (Berlin)
Cast & Crew
R
Rolf Gert
Unsichtbare Brücken
DirectorHans Fritz Wilhelm
40 minDocumentary
Plot
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.
