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L'appareil de "picture telegraphy" de W.P. Dun Lany (1897)

Chicago Tribune, 7 November 1897

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International Library of Technology, vol. II, 6,International Textbook Co, 1901 pp.57-58, 

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Albert REYNER, "Les transmissions phoniques et graphiques à grandes distances", La grande revue, 15 novembre 1904,; pp.454-459

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