Unsichtbare Brücken
Explore Unsichtbare Brücken (1932), including ReelBot’s take, cast, runtime, where to watch, and similar movies worth adding to your list.
1932 · 40 min · Documentary
Overview
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.
Directed by Hans Fritz Wilhelm