Radio operating : prepared for aircraft flight and ground crews. Copyright... /
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| Format: | Book |
| Language: | English |
| Published: |
Washington, D. C.,
[publisher not identified] ;
[1942]
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| Subjects: |
| Item Description: | Reproduced from type-written copy. "Preparation: John W. Stone; illustration: Joe Chris Smith." |
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| Physical Description: | 65 pages : illustrations, forms, diagrams ; 28 x 21 cm. |