Accession Number : AD0136319

Title :   FIELD TESTING

Corporate Author : BOLT BERANEK AND NEWMAN INC CAMBRIDGE MA

Report Date : 01 JUN 1957

Pagination or Media Count : 1

Descriptors :   *PSYCHOLOGICAL WARFARE, *PUBLIC ADDRESS SYSTEMS, *SPEECH, INTELLIGIBILITY, PROPAGATION, TEST EQUIPMENT, TEST METHODS, TESTS.

Distribution Statement : APPROVED FOR PUBLIC RELEASE