Founded in 1939, the Sight & Hearing Association is dedicated to enabling lifetime learning
by identifying preventable loss of vision and hearing for all Minnesotans.
SHA colorfully answers those questions with the Noise Thermometer. This 24" x 36" glossy color poster illustrates the noise levels of various recreational activities and the amount of exposure time in which hearing damage is likely to occur. Useful in teaching both kids and adults about the dangers of noise to hearing.