How long is Patent Nr. 314805?

Patent Nr. 314805 has a runtime of 2 min and premiered in 2020.

Where can I watch Patent Nr. 314805?

Streaming availability for Patent Nr. 314805 changes by country and service. TasteRay tracks where it is available across Netflix, Prime Video, Disney+, Max, Apple TV+ and 50+ other platforms — the current options for your country are shown on this page.

Patent Nr. 314805 (2020) Movie

Name: Patent Nr. 314805
Director: Mika Taanila
Genre: Documentary
Released: 2020-01-01
Duration: PT2mM

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Patent Nr. 314805

2020Mika Taanila

Why you'll love it

Synopsis

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.

Documentary