Hearing aids through the ages
Lacher Fougère, S.; Vincey, P.
Revue de Laryngologie - Otologie - Rhinologie 116(4): 243-244
1995
ISSN/ISBN: 0035-1334 PMID: 8927821 Document Number: 442391
Authors relate the history of acoustic hearing aids, from antiquity to our days, for air and bone conductions. It shows an evolution, more due to physical progress than medical progress, composed with deaf's psychology. The accession of electric amplification will make more than half-century to be imperative.