Patentti Nr. 314805
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.
Género: Documental
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Tripulación: Mika Taanila (Director), Mika Taanila (Writer), Jussi Eerola (Writer)
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