Accession Number : AD0151368

Title :   ATTENUATION CHARACTERISTICS OF FOUR EAR PROTECTIVE DEVICES

Corporate Author : ARMY MEDICAL RESEARCH LAB FORT KNOX KY

Personal Author(s) : FLETCHER,JOHN L. ; SILVER,CARL A.

Report Date : 09 JAN 1958

Pagination or Media Count : 22

Descriptors :   *EAR PROTECTORS, ATTENUATION, INTELLIGIBILITY, SOUND, SPEECH, TESTS

Distribution Statement : APPROVED FOR PUBLIC RELEASE