Patentti Nr. 314805
Patentti Nr. 314805
assistir patentti nr. 314805 POBRE TV. 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.
- Gênero: Documentário
- País: Finland
- Diretor: Mika Taanila
- Fundida: