
Patentti Nr. 314805
Patentti Nr. 314805
Patentti Nr. 314805 na Filman CC. 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.
- Kategoria: Dokumentalny
- Kraj: Finland
- Dyrektor: Mika Taanila
- Aktorzy: