The audiphone:

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The audiphone: - A new invention that enables the deaf to hear through the medium of the teeth, and the deaf and dumb to hear and to learn to speak: invented by Richard S. Rhodes is an unchanged, high-quality reprint of the original edition of 1880. Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.

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