Patent Nr. 314805 2020
/10 by 0 users
Watch Patent Nr. 314805 (2020) : Full Movie Online Free 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.
- Released: May 17, 2020
- Runtime: 2 minutes
- Genre: Documentary
- Stars:
- Production Company: Elokuvayhtiö Testifilmi
