Accession Number:

AD0492871

Title:

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

Descriptive Note:

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s):

• Coomes, J. R.
• Roberts, W. B.

Report Date:

1937-09-08

Pagination or Media Count:

10.0

Abstract:

Descriptors:

• *VIBRATORS(MECHANICAL))
• (*SOUND GENERATORS
• (*WARNING SYSTEMS
• SOUND GENERATORS)
• COMMUNICATION EQUIPMENT
• INTERCOMMUNICATION SYSTEMS
• NAVAL EQUIPMENT
• SPECIFICATIONS
• ACCEPTABILITY

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE