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6
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6
earlySoundFilms.html
earlySoundFilms.html
http://www.silentera.com/PSFL/indexes/earlySoundFilms.html
History of film
History of film technology
Phonofilm
Sound film
Vitaphone
List of film sound systems
Movietone sound system
Photokinema
RCA Photophone
Song Car-Tunes
Theodore Case
Vitaphone Varieties
Link from a Wikipage to an external page
earlySoundFilms.html
http://www.silentera.com/PSFL/indexes/earlySoundFilms.html