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             Adolph Zukor Introduces Phonofilm 
            (1923) United States of America 
            B&W : Short film 
            Directed by J. Searle Dawley 
            Cast: Adolph Zukor [himself]. 
            De Forest Phonofilm, Incorporated, production; distributed by De Forest Phonofilm, Incorporated,. / Produced by Lee de Forest. Cinematography by [?] J. Searle Dawley? / Premiered 15 April 1923 in New York, New York. / Phonofilm 35mm spherical format. Phonofilm sound-on-film synchronized sound system. / The film was intended to introduce the Phonofilm sound system before presentations of The Covered Wagon (1923) and Bella Donna (1923). / Full-sound film. 
            Speech. 
            Survival status: (unknown) 
            Current rights holder: Public domain [USA]. 
            Keywords: Early sound film - Synchronized sound film 
            Listing updated: 5 February 2012. 
            References: Slide-Aspects p. 48 : Website-IMDb; Website-Wikipedia. 
            
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