Photokinema
Photo-Kinema (some sources say Phono-Kinema) was a sound-on-disc system for motion pictures invented by Orlando Kellum. == 1921 introduction == The system was first used for a small number of short films, mostly made in 1921.
Photo-Kinema (some sources say Phono-Kinema) was a sound-on-disc system for motion pictures invented by Orlando Kellum. == 1921 introduction == The system was first used for a small number of short films, mostly made in 1921.
Photo-Kinema (some sources say Phono-Kinema) was a sound-on-disc system for motion pictures invented by Orlando Kellum. == 1921 introduction == The system was first used for a small number of short films, mostly made in 1921.
Source: Wikipedia "Photokinema" · CC BY-SA 4.0
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