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Unsichtbare Brücken poster

MOVIE

Unsichtbare Brücken

1932 · 40 min · Documentary

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.

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Creators

Hans Fritz Wilhelm — Director

Top cast

RRolf GertAAlfred Stratmann

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