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Unsichtbare Brücken

Aug 18, 1932 · 40m
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Documentary

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.

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CAST

Rolf Gert
Alfred Stratmann
Directed by Hans Fritz Wilhelm

DETAILS

Status
Released
Original language
DE
Budget
—
Revenue
—
Production
Commerz-Film AG (Berlin)
Country
DE
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