Fecha de lanzamiento
17 May, 2020
Tiempo de ejecución
00:02: (HH:MM)
Sinopsis
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.
Título original
Patentti Nr. 314805
Fotos
Mika Taanila