Optical sound film by Guy Sherwin
1971
2021
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1969
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1941
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1977
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![Screen Test [ST80]: Marcel Duchamp](http://wsrv.nl/?url=https://image.tmdb.org/t/p/w500//3EwmmoBxVUqy8DITDrkG0hrGELt.jpg&w=320&h=480&sharp=1&output=webp)
