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