Subjects: Hearing Aids / Languages: English / Copyright: Public domain - Digital Collections - National Library of Medicine Search Results

Start Over Subjects Hearing Aids ✖ Languages English ✖ Copyright Public domain ✖

1. Researches on hearing through the medium of the teeth and cranial bones

Author(s):: Thomas, Charles Hermon, author
Publication:: [Philadelphia] : [publisher not identified], [1880]
Subject(s):: Hearing Aids
Bone Conduction -- physiology
Deafness -- rehabilitation
Tooth -- physiology

2. Some observations concerning the value of the audiphone

Author(s):: Knapp, Herman, 1832-1911, author
Publication:: [New York?] : [publisher not identified], [1880?]
Subject(s):: Hearing Aids

3. Helps to hear

Author(s):: Campbell, James A. (James Alexander), 1847-, author
Publication:: Chicago : Duncan Brothers, 1882
Subject(s):: Hearing Aids
Hearing -- physiology

4. 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

Author(s):: Maloney, J. A. (James Aloysius), 1846-1897, author
Publication:: New York : G.P. Putnam's Sons, printers, [1887?]
Subject(s):: Hearing Aids
Deafness -- therapy
Hearing Loss, Bilateral -- therapy

5. Regulatory requirements for hearing aid devices and personal sound amplification products: guidance for industry and Food and Drug Administration staff

Publication:: [Silver Spring, MD] : Center for Devices and Radiological Health, August 17, 2022
Subject(s):: Device Approval
Government Regulation
Hearing Aids
United States
United States. Food and Drug Administration

6. Researches on hearing through the medium of the teeth and cranial bones

Author(s):: Thomas, Charles Hermon, author
Publication:: [Philadelphia] : [publisher not identified], [1880]
Subject(s):: Hearing Aids
Bone Conduction -- physiology
Deafness -- rehabilitation
Tooth -- physiology