Patent Nr. 314805(2020)
05/17/2020 (US)Documentary0h 2m
NR
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.
Mika Taanila
Director
Jussi Eerola
Writer
Mika Taanila
Writer
Popularity Trend
Last 30 Days
This chart shows the popularity trend over the past 30 days.
