Patent Nr. 314805 (2020)
2m
Running Time
May 17, 2020Release Date
Plot.
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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Cast & Crew.
Details.
Release DateMay 17, 2020
Original NamePatentti Nr. 314805
StatusReleased
Running Time2m
Genres
Last updated:
This Movie Is About.
early sound film