Radio code manual ; twenty lessons on the radio code and selected projects on code-learning equipment /
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| Format: | Book |
| Language: | English |
| Published: |
New York, London :
McGraw-Hill Book Company, inc.,
1942.
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| Edition: | 1st ed. |
| Subjects: |
| Physical Description: | xii, 174 pages including frontispiece, illustrations, tables, diagrams ; 19 cm. |
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