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BE399600A
(index.php)
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(index.php)
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(en)
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Photophonographic apparatus and method
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BE345991A
(index.php)
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(en)
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Photographic phonograph
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(en)
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Photographic sound recording and reproducing apparatus
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(en)
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Sound recording and reproducing |
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(index.php)
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(en)
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Method of making talking motion pictures
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(en)
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Sound recording apparatus
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BE343938A
(index.php)
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Sound reproducing apparatus
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Устройство дл записи и воспроизведени звука на кинематографическом фильме
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Sweden talks: Early sound film restoration projects |
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Procédé d'obtention d'un film sur lequel sont enregistrés des images et des sons.
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(fr)
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Procédé et appareil pour l'enregistrement de sons sur un support et support muni d'un enregistrement ainsi obtenu.
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(index.php)
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(index.php)
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