How Talkies Talk
0
1934-01-01
Documentary explaining how double bilateral variable area optical soundtracks are recorded onto film and played back in cinemas.
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Documentary explaining how double bilateral variable area optical soundtracks are recorded onto film and played back in cinemas.
Released
1934-01-01
Runtime
12
Director
Budget
$0
Revenue
$0
Genres
Documentary
Language
English
Production
Gaumont-British Instructional