Unsichtbare Brücken

Unsichtbare Brücken

0.0 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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PRODUCTION COMPANIES
Commerz-Film AG (Berlin)
Commerz-Film AG (Berlin)
COUNTRY & LANGUAGE

Production Countries:

Germany

Spoken Languages:

German
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