Patent Nr. 314805

0.0 2020 2 min
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.

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Key details for this title

Director
Mika Taanila
Writers
Mika Taanila, Jussi Eerola

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