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Available FormatsPatent Nr. 314805 Secure Scanned : 01/27/2025 Watch HDDownload HD
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Patent Nr. 314805

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.

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Runtime: 2 minutes

Quality: HD

Release: May 17, 2020

IMDb: 10

Country: Finland

Language: suomi

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