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Keywords from Image Description:
T Fig. . Transmetteurs microphoniques disposs le long de la scne dun thtre. fr Transmetteurs microphoniques disposs le long de la scne un thtre pour la transmission distance de voix et de chants Figuier Les Merveilles de la science Tome djvu Creator Louis Figuier other versions Custom marker PDold Uploaded with Les Merveilles