Unsichtbare Brücken
0.0
1932
0h 40m
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.
Movie Information
Status
Released
Release Date
August 18, 1932
Runtime
0h 40m
Rating
0.0
(0 votes)
Genres
Documentary
Production Companies
Commerz-Film AG (Berlin)
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.