95. Acoustics,, 1930-1980
Dates
- <emph render="bold">1930-1980</emph>
Scope and Contents
Summary: Documents CR research and projects into nature of sound or acoustics. Projects relate to hearing aids, miniature hearing aids, hearing aid batteries, and various noise measurement instruments. Includes correspondence, magazine articles, newspaper clippings, photographs, advertisements, purchase forms, news releases and other material. Subjects include acoustical terminology, sound level meters, noise analyzers, stethoscopes, sound control products, hearing aid effectiveness, the measurement of noise and noise abatement, sound absorbent chambers, sound reproduction, sound absorbing materials and objects, and decibel notations.
Language of Materials
English
Physical Description
(2 feet.)
Arrangement
Arrangement: Organized by reverse chronological order within subject.
Part of the New Brunswick Special Collections Repository