School sound recording and playback equipment : basic standards / developed by the U.S. Office of Education and the Radio Manufacturers Association, Joint Committee on Standards for School Audio Equipment.
- 1 of 1 copy available at Evergreen Indiana.
0 current holds with 1 total copy.
- Physical Description: 34 pages : illustrations ; 29 cm
- Publisher: Washington, D.C. : Radio Manufacturers Association, 1947.
Supplements School sound systems, earlier report by the author.
|Bibliography, etc. Note:||
Includes bibliographical references (page 34).
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