Author: Scientific Research and Development Office / Catalog Issue Year Decade: 1940 - 1949 / Sudoc Stem: Pr 32.413/7 - Blacklight Search Results

Start Over Author Scientific Research and Development Office Catalog Issue Year Decade 1940 - 1949 Sudoc Stem Pr 32.413/7

1. Signals. Effect of beam filter bandwidth on audibility of signals.

Corporate/Agency Authors:: Scientific Research and Development Office, Emergency Management Office, and President of United States
Publisher:: Scientific Research and Development Office
Date:: Sept. 10, 1945
SuDoc number:: Pr 32.413/7:128

2. Earphone sockets. Evaluation of acoustic insulation and acoustic sensitivity of Harvard design 8-C earphone socket.

Corporate/Agency Authors:: Scientific Research and Development Office, Emergency Management Office, and President of United States
Publisher:: Scientific Research and Development Office
Date:: Apr. 7, 1945
SuDoc number:: Pr 32.413/7:116

3. Microphones. Informal communication concerning effect of distance from lips on speech-to-noise ratio obtained with microphone M-6/UR.

Corporate/Agency Authors:: Scientific Research and Development Office, Emergency Management Office, and President of United States
Publisher:: Scientific Research and Development Office
Date:: Oct. 10, 1944
SuDoc number:: Pr 32.413/7:86

4. Articulation tests. Informal communication concerning articulation tests of Uasmansdorff noise-peak limiter.

Corporate/Agency Authors:: Scientific Research and Development Office, Emergency Management Office, and President of United States
Publisher:: Scientific Research and Development Office
Date:: Sept. 12, 1944
SuDoc number:: Pr 32.413/7:84

5. Static. Informal communication concerning electronic device to simulate atmospheric static.

Corporate/Agency Authors:: Scientific Research and Development Office and Emergency Management Office
Publisher:: Scientific Research and Development Office
Date:: May 29, 1944
SuDoc number:: Pr 32.413/7:75