Southville International School and Colleges

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Du Moncel, Th., comte, 1821-1884

Le Téléphone, le Microphone et le Phonographe [electronic resource] / Th., comte Du Moncel - Project Gutenberg, 2008 - Project Gutenberg 27574 .

Public domain in the USA.

Electronic text

Subjects--Index Terms: Microphone Telephone Phonograph

LC Class. No.: TK