- Author
- Giordano, T. A.
- Title
- Development of a Speech Amplifier System for Use With the Navy A4 Oxygen Breathing Apparatus and a Proposed Firefighting Instructor's Breathing Device. Final Report.
- Coporate
- EPSCO Labs., Stamford, CT
- Sponsor
- Naval Ship Engineering Center, Hyattsville, MD
- Report
- Report 5081-1, July 1975, 88 p.
- Distribution
- Available from National Technical Information Service
- Keywords
- breathing apparatus | oxygen masks | fire fighting | fire fighters | communication equipment | noise (sound)
- Identifiers
- mask communication system; A4 Oxygen Breathing Apparatus (OBA); modified Bio-Pak 45 Breathing Apparatus