Patent Nr. 314805
6.7
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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Mika Taanila Director · Jussi Eerola Writer
First release May 17, 2020 · Produced in Finland · Original title Patentti Nr. 314805
Production
Elokuvayhtiö Testifilmi
Production
Finland
Produced in
Languages
Original title
Patentti Nr. 314805
Original language
Finnish
Spoken on screen
Finnish
Release dates
Germany · May 17, 2020
Theatrical
No release date listed for United States.
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