Ways to better hearing
By: by Lowell Brentano. Diagrams by Ralph Graeter...
Publisher: F. Watts, inc.
Published: 1946
Place of publication: New York, N.Y
Language: eng
Number of pages: 95
Subjects: Hearing aids; Deafness
Notes: With contributions by Laura Stovil, Mary C. New, Ralph J. Crosby and others.