Preparing for Federal radio operator examination.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
Prentice-Hall,
[1948]
|
| Subjects: |
| Physical Description: | xi, 404 pages : diagrams ; 20 cm. |
|---|
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
Prentice-Hall,
[1948]
|
| Subjects: |
| Physical Description: | xi, 404 pages : diagrams ; 20 cm. |
|---|