![Patent Nr. 314805](https://i3.wp.com/image.tmdb.org/t/p/w185/mbF9tIkUdOLVWbWrrVveIN7xzsT.jpg)
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.
Writer | N/A |
---|---|
Director | Mika Taanila |
Actor | |
Country | Finland |
Production | Elokuvayhtiö Testifilmi |