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Patentti Nr. 314805

Patentti Nr. 314805 película completa online. Finnish engineer Eric Tigerstedt solved the dilemma of sound-on-film already before the First World War. All images and sounds in this short film are produced from the surviving test materials originally created in 1914.
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Género: Documental

Actor:

Director: Mika Taanila

País: Finland

Duración: 2 min.

Calidad: HD

Liberar: 2020

imdb rating 6