Patent Nr. 314805 2020

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Documentary

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.

Top Billed Cast

Release Date 2020-05-17
Runtime 2m
Director Mika Taanila
Producer
Writers Jussi Eerola, Mika Taanila