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Start Over Subjects Hearing Loss, Bilateral -- therapy ✖Remove constraint Subjects: Hearing Loss, Bilateral -- therapy Titles The otophone: its history, with a description of its various forms, its use by the deaf, its value as an aid to restoration of hearing, and in the instruction and development of hearing and articulation in the deaf-dumb ✖Remove constraint Titles: The otophone: its history, with a description of its various forms, its use by the deaf, its value as an aid to restoration of hearing, and in the instruction and development of hearing and articulation in the deaf-dumb

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  • The otophone: its history, with a description of its various forms, its use by the deaf, its value as an aid to restoration of hearing, and in the instruction and development of hearing and articulation in the deaf-dumb1