Low-cost radio reception.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Paris :
UNESCO,
1950.
|
| Series: | Press, film and radio in the world today.
Unesco publication ; 850. |
| Subjects: |
| Physical Description: | 118 pages : diagrams ; 21 cm. |
|---|