Patent Nr. 314805 (2020)
2m
Running Time
May 17, 2020
Release Date
Patent Nr. 314805 (2020)
2m
Running Time
May 17, 2020
Release Date
Network & Production Companies

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.
Where to Watch.
No streaming offers found
Cast & Crew.
Details.
Release Date
May 17, 2020
Original Name
Patentti Nr. 314805
Status
Released
Running Time
2m
Genres
Last updated:
This Movie Is About.
early sound film