Patent Nr. 314805 (2020)
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.
Director: Mika Taanila
| Directing | Mika Taanila | Director |
| Writing | Mika Taanila | Writer |
| Writing | Jussi Eerola | Writer |