Class room radio receivers
Subtitle: basic specifications developed by the U.S. Office of Education and the Radio Manufacturers Association Joint Committee on Specifications for School Audio Equipment.
Series: AIA-file no.31-i-7-RMA-S-3; AIA-file -- no. 31-i-7-RMA-S-3.
Publisher: [Radio Manufacturers Association]
Published: 1948
Place of publication: [Washington]
Language: eng
Number of pages: 38
Subjects: Audio-visual education.; Audio-visual equipment.; Radio -- Receivers and reception.
Notes: SHORT CIRCULATION RECORD.