Title
File Bag 12 - FM speech, PCM system study, ITT Technical Committee A1, A4/4. A4/6, A4/7.
Reference
UK0108 NAEST 015/12
Date
1947-1963
Scope and Content
FM speech, including results of speech distortion tests; PCM system study (See NAEST 015/21/1 for Vol II); ITT technical committee A4/4 centimeter tubes; ITT technical committee A1 Sub Committee for overall planning. ITT technical committee A4/6 repeater tubes; ITT technical committee A4/7 research valves.
Physical description
Number of pieces: 6
Language
English
Persons keyword
Subject
Conditions governing access
Open
Level of description
file
