Patent Nr. 314805
Movie
2020-05-17
2m
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.
Status
Released
Released
2020-05-17
Runtime
2m
Studio
Country
Finland
Language
Finnish
Links
Director
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