Patent Nr. 314805
Patentti Nr. 314805
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Synopsis
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.
Details
- Mika Taanila
- May 17, 2020
- Released
- Finland
- Elokuvayhtiö Testifilmi
- 2m
Where to watch
No known streaming options in United States.
