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Patent Nr. 314805 poster

Film

Patent Nr. 314805

2020 · 2m · Documentary

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Overview

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.

Crew

Details

Release date
May 17, 2020
Status
Released
Original language
Finnish
Runtime
2m
Genres
Documentary

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