American inventor Lee de Forest demonstrated his Phonofilm technology during the showing of a series of films on April 15, 1923 at the Rivoli Theatre on Broadway in New York City.
Phonofilm was a process of recording sound on film.
Image: Lee de Forest seated in front of small crowd, watching and listening to talking movie of himself; Newark, N.J. c. 1920s via Wikimedia Commons, no known restrictions
Phonofilm was a process of recording sound on film.
Image: Lee de Forest seated in front of small crowd, watching and listening to talking movie of himself; Newark, N.J. c. 1920s via Wikimedia Commons, no known restrictions
American inventor Lee de Forest demonstrated his Phonofilm technology during the showing of a series of films on April 15, 1923 at the Rivoli Theatre on Broadway in New York City.
Phonofilm was a process of recording sound on film.
Image: Lee de Forest seated in front of small crowd, watching and listening to talking movie of himself; Newark, N.J. c. 1920s via Wikimedia Commons, no known restrictions
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