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Man tests the effectiveness of hearing protectors

Man tests the effectiveness of hearing protectors

T732/0048

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Credit

CROWN COPYRIGHT / HEALTH & SAFETY LABORATORY / SCIENCE PHOTO LIBRARY CROWN COPYRIGHT / HEALTH & SAFETY LABORATORY / SCIENCE PHOTO LIBRARY

Caption

Hearing protection test. Technic- ian tests the effectiveness of hearing protectors or ear defenders whilst firing a shotgun. Micro- phones in the hearing protectors and externally (at centre and upper right) measure the level of sound coming from a shot from the gun. The effectiveness of the hearing protectors at reducing (attenuating) the intensity of sound is determined by comparing the measurements of the 2 sets of microphones. Hearing can be temporarily or permanently affected by exposure to loud sounds. Photographed during research conducted by the Health and Safety Laboratory in Britain.

Release details

Model release available. Property release not required.

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