Unsichtbare Brücken
1932
40min
Documentary
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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.
Cast
Frequently Asked Questions
Who directed Unsichtbare Brücken?
Unsichtbare Brücken was directed by Hans Fritz Wilhelm.
How long is Unsichtbare Brücken?
Unsichtbare Brücken runs for 40min, and was released in 1932.
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