Accession Number : AD0492871

Title :   REPORT OF TEST ON BUZZER, TYPE A-3 SUBMITTED BY NAVY YARD, PORTSMOUTH, N. H.,

Corporate Author : NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s) : Coomes, J. R. ; Roberts, W. B.

Report Date : 08 SEP 1937

Pagination or Media Count : 10

Descriptors :   *VIBRATORS(MECHANICAL)), (*SOUND GENERATORS, (*WARNING SYSTEMS, SOUND GENERATORS), COMMUNICATION EQUIPMENT, INTERCOMMUNICATION SYSTEMS, NAVAL EQUIPMENT, SPECIFICATIONS, ACCEPTABILITY.

Distribution Statement : APPROVED FOR PUBLIC RELEASE